Mobile app development cost trabalhos

I'm looking for a talented ful...subscriptions - Utilize AWS and Google Cloud Platform to ensure the platform's scalability and performance Ideal candidates should have: - Extensive experience in full stack development - Proven expertise in Flutter, jQuery, MySQL, AWS, and Google Cloud Platform - Previous experience implementing integrated payment gateways - Understanding of the nuances of premium content platforms - Strong problem-solving skills and attention to detail We have already created high level mock ups of the site which includes all pages. A user flow can be demonstrated. This project would be perfect for someone who is passionate about web development and wants to work on a unique and exciting project. If you think you're the right person for the...

...com - Easy login with Google sign-in Design: - No specific color scheme or branding guidelines for the design - Open to suggestions from the designer - Aiming for a user-friendly design both on web and mobile views Payment Integration: - Cash on delivery - Razorpay Ideal Skills and Experience: - Proven experience in ecommerce website development - Familiarity with product search and filtering, user registration and login, shopping cart and checkout functionalities - Prior experience in integrating unique features like the 'Spin & Win' game - Proficiency in UI/UX design for both web and mobile - Experience with Cash on Delivery and Razorpay payment gateways I'm looking for a professional who can not only execute the technical aspects of this pr...

I'm looking for an experienced developer adept in HTML/CSS to create an auto defined layout for job descriptions. The purpose of this project is not just aesthetic enhancement, but to truly improve the user experience on the page. Key tasks include: - Designing a responsive framework that can adjust to differing text lengths. - Ensuring this automated layout is intuitive, user-friendly and displays information effectively. The ideal candidate will have: - Strong experience in HTML/CSS. - Prior experience in creating responsive designs. - An understanding of creating layouts that enhance the user experience. We believe that the right layout can make all the difference in attracting high-quality applicants and look forward to finding the right person to make this vision a realit...

I am in need of a web developer to create an efficient, aesthetically pleasing website. While the main purpose of my website wasn't specified, I am open to discussing the possibilities and determining what type of content would best me... as an experienced web developer, will guide me on what functionalities can enhance the user experience of my site. To summarize, this project requires: - Discussion to clarify the purpose of the website - Advice on optimal website features - Implementation of suggestions mutually agreed on Ideal skills: - Excellent communication for clear understanding and delivery - Proficiency in web development and UX design - Ability to work within deadlines Project deadline: The project should be completed within a month. So, efficient turnaround t...

I need quotes for a small-medium residential project and a service-based commercial project. For the residential project: - The project is small in size and moderately complex - I'm looking for a reliable estimation of the costs involved - Experience with residential projects is highly desirable...size and moderately complex - I'm looking for a reliable estimation of the costs involved - Experience with residential projects is highly desirable - Bare lot sub divisions, sub developments, single home builds, concrete quotation, drainage, earthworks quotation. For the commercial project: - This is a service-based business, not retail or restaurant - I'm interested in understanding the general cost of construction - Experience with commercial projects in a service-base...

I'm looking for a seasoned professional who can use Unreal Engine to develop a role-playing game (RPG) with a realistic setting. Key Responsibilities: - Game Development using Unreal Engine - Conceptualizing and creating a compelling gameplay experience within a realistic setting Ideal Skills and Experience: - Proficiency with Unreal Engine - Proven experience in RPG design - Knowledge and passion for realistic settings in game development - Excellent problem-solving skills - Ability to adapt and iterate designs based on feedback. Are you passionate about video game development and have the requisite skills outlined above? I can't wait for you to bring my project to life!

I'm looking for an experienced mobile app developer that can create a New Idea hunting app for both iOS and Android. Key Features: - will be discussed to bidders for confidentiality purposes Ideal Skills: - Proficiency in cross-platform mobile app development - Prior experience in developing social networking apps - Strong skills in development, media sharing, and location-based services - A good understanding of user privacy and data protection - Ability to create a sleek, user-friendly interface -Able to communicate with me based on the ideas and put them into reality If you have prior experience in building similar apps and can meet these requirements, I would love to hear from you. Please provide examples of your previous work f...

...rename multiple favorite lists. 3. Project Management: - Timeline: Please provide an estimated timeline for the completion of the project. - Communication: Regular updates and meetings for progress review are required. Proposal Requirements: 1. Portfolio: Please submit a portfolio of your previous work, especially similar projects in the directory listing website category. 2. Cost Estimate: A detailed cost estimate, including all expenses and potential additional costs. 3. Implementation: Explain how you would implement the project, which technologies you would use, and why they are suitable for this project. 4. Timeline: Estimate the duration of the project from start to finish. Important Notes: - Proposals based on WordPress will not be considered. - Proposals ...

I'm seeking a skilled developer who can Develop, a Kodi XBMC addon that features streaming content and a customizable user interface. - Experience with Kodi XBMC is required. - The addon should be capable of getting subtitles from subdl. - Create a user interface that is smooth, easy to navigate, and harmonizes with the Kodi XBMC environment. Despite no particular design preference, the interface ought to be comfortable to use and user-friendly. The ideal candidate should be experienced in Kodi XBMC. using API from subdl with the following ().

I'm in search of a developer to create a web application for a compliance system I have created in google sheets. This project must be completed within the next month. It needs to have tables that can be filled out by certain people and only viewed by others. Different tables need to be able to link together. It needs to send email notifications.

I'm looking for people to play a game for me for around 15 minutes and make an in-app purchase. Project Requirements: Have a PC and never have downloaded the game before (I will supply more details later) Please reach out to me if you are interested.

I need a new website that will serve as a platform for selling products or services. Specifically, I'm looking for...selling products or services. Specifically, I'm looking for a professional who can: I want to be ale to sync this with my other website, ebay store, shopify - Develop a user-friendly website with basic customization on a standard platform - Integrate an online payment system including digital wallets (e.g., PayPal, Apple Pay) Ideal Skills and Experience: - Proficient in e-commerce website development - Experienced in integrating online payment systems, especially digital wallets - Skilled in basic customization on standard platforms, ensuring the website aligns with our brand and user experience expectations. Please provide examples of similar projec...

I'm seeking an experienced Prestashop module developer who can swiftly design a custom module for me. The module must allow for managing pdf invoice templates. Key Features for the Module: - Display invoice number and date - Present an itemized list of products/services - Indicate the total amount - Show correct payment details The job requires in-depth knowledge of Prestashop and familiarity with coding for invoice generation. A history of developing similar modules will be a strong advantage. The project needs to be completed ASAP. The ideal freelancer should be responsible, have excellent communication skills, and be able to deliver the project promptly. Please submit your bid including your relevant experience and how you plan to accomplish this project.

I've been facing an issue with the images on my WordPress website that only load after I scroll down on mobile devices. Ideally, I need them to load as soon as the page is loaded without any delay. Key Requirements: - Immediate image loading on mobile devices - No specific plugins for image optimization or lazy loading Ideal Skills and Experience: - Proficiency in WordPress development - Experience in optimizing websites for mobile devices - Understanding of image optimization techniques If you're confident in resolving this specific issue and improving mobile user experience, I'd be glad to hear from you.

I'm seeking a skilled developer to create a comprehensive taxi application for both iOS and Android. The app should include the following features: For Users: - Real-time tracking: A live map view that displays the position of the assigned vehicle. - In-app payment: Seamless integration with popular payment gateways for an efficient and secure payment process. - Ride scheduling: Users should be able to pre-book rides for a specific date and time. For Drivers: - Driver tracking: A feature that allows drivers to view their current location on a map and helps to plan routes effectively. - Accept/Decline ride requests: Drivers should be able to accept or reject incoming ride requests. - Driver ratings: A system that allows passengers to rate drivers after completing a ride...

...including VBA or other scripting languages for Excel. Experience with integrating APIs with Excel. Familiarity with cloud storage solutions like OneDrive and handling file structures programmatically. Additional Information: Please provide examples of similar projects you have worked on. Outline your approach to achieving the integration between GPT-Invoices and Excel. Include an estimated timeline and cost for completing the project. I look forward to working with a skilled professional who can bring this project to fruition....

I'm in need of a customized Java program. I haven't decided on a specific purpose, but I'm looking for a skilled developer who can deliver a robust, well-structured program. The ideal candidate for this project should have a strong command of Java programming, as well as experience with program development for various purposes. The program may involve extensive data manipulation, network interactions, or other functionalities. Your ability to create clean, efficient code will be a big advantage. Please note that, as I haven't pinned down the exact requirements, being able to adapt and respond to shifting project needs will be crucial. Looking forward to hearing from you.

I'm in need of a talented wix web developer to create an informational website geared towards inidividuals seeking psychotherapy and cousnelling. The primary goal for visitors must be to obtain information about counselling. Key Requirements: - Strong background in website development, preferably with experience in building informational websites - Ability to create a professional, clean, and easy-to-navigate design - Experience in SEO to optimize content visibility The Result: Visitors must be able to easily navigate through the site and attain all the information they need about our counselling services. Your skills and experiences will play a crucial role in making this project a success and I'm looking forward to viewing your portfolios and past works closely.

...price per hour pay bc I am required to list that, skip to the end for compensation information. I am looking for a skilled developer who can convert my existing website to a web3 platform. You’ll also be required to design and develop a professional, user-friendly decentralized app (dapp) that mirrors the functionality and aesthetics of the original site as closely as possible. This app will aim to be hosted on the Pi Network Blockchain and must be functional and flow as they will Do manual checks and demo the app in the process of checking functionality Key Project Highlights: - This dapp will come with a few specific functionalities such as user registration and login, payment processing and also payment privacy capability - the user wallet within the ...

I am looking for a skilled web developer who can help me create a news blog website. Th...developer who can help me create a news blog website. The purpose of this website is to post news and articles regularly. I envision the layout to be in a magazine style. Key Features: - Social Media Sharing: This is a crucial feature as I want my readers to be able to easily share the news they like across different social media platforms. Ideal skills for this job include: - Proficiency in web development and design - Prior experience in building news or magazine style websites - Well-versed in integrating social media sharing features - Understanding of user experience and design aesthetics in news blogging If you have the necessary skills and experience, please feel free to submit your...

I'm looking for a skilled app developer to create an e-commerce mobile app specifically for the iOS platform. Key Points: - The primary goal of this app is to facilitate e-commerce transactions on iOS devices. - The app should effectively integrate with e-commerce functionalities such as product listings, shopping carts, and payment gateways. - The design should be user-friendly, visually appealing, and optimized for iOS devices. Ideal skills and experience: - Proficiency in iOS app development. - Experience in e-commerce app development is a strong advantage. - Familiarity with creating user-friendly and visually appealing mobile interfaces. - Ability to integrate payment gateways securely. - Good understanding o...

I'm in search of a professional app developer with expertise in mobile app development and NextJS, as I have two projects lined up. Key Project Details: - I'm looking for a cross-platform mobile app that works efficiently on both iOS and Android platforms, alternative to presenting a plastic card. This will be the primary focus of the development work. - The application will have a primary feature that I will disclose during our discussions. Ideal Skillset: - Extensive experience in mobile app development, particularly within the realm of cross-platform apps. - Proficiency in NextJS is a must as one of the projects involves its usage. - A good understanding of user experience and user interface design will be...

I'm in need of a cutting edge informational website for my business. The primary objective of this website is to encourage visitor interactions and prompt them to reach out to me. the company has been here since 1997 but we are now under new management since december 1st and we have remodeled and revamped the space we are a printing and copy shop but we have so many other services that we provide. I already have the domain name that I would like to use for my business Key components that need to be integrated into the homepage include - Testimonials: Displaying positive feedback and comments from satisfied clients will help in building credibility. - Featured Services: A section that highlights my main services or products, showcasing their value and benefits to the visitors. - About...

I'm looking for someone with Shopify expertise to set up my online store. Key requirements are: - Product setting: All product details and images are ready for listing. Deep understanding of cost-effective and customer-friendly product listing is a plus. - Store design: I need a clean, easy-to-navigate store design that showcases my physical products effectively. - No Blog Section: A blog section is unnecessary for this project. Ideal freelancers would have proficient experience in setting up a Shopify store and a solid understanding of product listing. Show me your similar projects for a better evaluation. Looking forward to a thriving collaboration.

I'm seeking a skilled developer to build an Android mobile application that enables users to create AI images presented as trading cards. A key idea is to provide a personalized avenue for the generation of unique trading cards based on user specifications. Key Functionality: - AI algorithm that generates images tailored to look like trading cards. - A selection tool for choosing trading card themes. User Interaction and Features: - User profiles: The app should support registration and profile customization to enhance user engagement. - Social Media Sharing: The application should come with an inbuilt capacity for users to share their trading cards on major social media platforms. - Virtual Marketplace: A unique feature of the app will be a virtual marketplac...

...creating a top-down, single-player action game using Unreal Engine 5. This gaming project includes intriguing elements such as: - Laser Tile Interactivity: As the player, when you approach a laser tile, you pick it up, enabling you to shoot lasers. - Walls with Laser Sensitivity: Walls that can be demolished when hit by a laser. I'm looking for someone with experience in Unreal Engine 5 and game development, particularly: - Proficiency in top-down action game design. - Experience in integrating interactive elements like laser tile picking and shooting. - Ability in designing game environments and level progression. The game's difficulty will linearly increase, so an understanding of creating such a difficulty progression is crucial. I look forward to seeing your pro...

Job Title: AI Automation Expert Responsibilities: AI Development: Design, develop, and deploy AI solutions to drive business efficiency and automation. Automation Strategy: Collaborate with teams to identify automation opportunities and design effective workflows. Data Handling: Work with large datasets to ensure accurate and up-to-date information. Task Execution: Instruct AI systems to perform specific actions, such as data processing, content generation, or predictive analytics. Continuous Learning: Stay informed about AI advancements and best practices to optimize system performance. Qualifications: Technical Proficiency: Familiarity with AI concepts, machine learning, and automation platforms. Problem-Solving Skills: Ability to analyze business processes and design effec...

I'm looking for an experienced JavaScript / HTML developer to help me create an interactive animation of a harmonic drive. This is a specialized UI animation project that requires a good level of expertise. Key Requirements: - Develop an interactive animation of a harmonic drive - Enable user interaction to start or pause the animation - Allow users to change parameters and see immediate effects in the animation Ideal Skills: - Proficiency in JavaScript and HTML - Experience in creating complex UI animations - Understanding of interactive design principles - Ability to deliver a smooth and responsive user experience The animation should focus on the interactive aspect, allowing users to explore and learn from the animation. I expect the final product to be engaging and informative,...

...User Reviews and Ratings: It's important to include a system for users to leave reviews and ratings. This can help build trust and credibility in our services. - Credit Card Payment Integration: The website should be able to securely process credit card payments. -Car delivery option: The customer will have the option to pick up the car from our location or have it delivered to them for an extra cost. -Become a host : People can become a host and rent their car on my website and I will charge them a percentage like 15% every single time that it gets rented. The ideal candidate should have: - Proven experience in developing e-commerce websites with similar functionalities. - Strong understanding of UI/UX principles to ensure the website is user-friendly. - Proficiency in int...

App iOS with masaniello (money management). I can share a similar example.

I am looking for architectural and design services for a mixed-use property project. This entire space covers 35k sq ft with a front of 130*275. It's divided into three units and a 100 * 100 ft commercial complex. 1 st unit 4 master bed room ,1 kitchen with extra food space and wash area ,1 hall ,Pooja room (jk),jakusi, 2 nd 5 master bed room ,1 kitchen with extra food space and washing area ,Pooja room jakusi,1 hall ,1 room for office 3 Rd home theter,Jim , swimming pool ,table tennis 4 garden ,badminton court ,car parking Lazy river and whole home surrounded by water naturally - 5 Servant and guard rooms The commercial complex design should be modern, practical and appealing to businesses. Ideal skills and experience: - Proven experience in designing mixed-use, modern proper...

I'm looking for a skilled developer to bring my web-based project to life with interactive animations and custom shaders. Please send me a bid with your previous works. Key Project Details: - The ideal candidate should have a strong understanding of and animation. - Experience with Gsap would be a definite advantage. - You will be responsible for creating interactive animations with fluid motion, character animations, and scroll animations. - Having worked on similar projects where custom shaders were utilized is a major plus. This project focuses on elevating user experience through engaging interactive animations. It's crucial that the final product is optimized for a web browser environment. Please include relevant examples of your work in your application. I'm looki...

I'm seeking to develop a social networking application designed...for private communication among users. - User Profiles: Allows users to create personalized detail-oriented profiles. - News Feed: Display of content dependent on user's actions and friends' activity. - Chat: Enables real-time communication. - Video Streaming: Option for live broadcasts and video sharing. - Marketplace -login/register Ideal candidates will have experience in multi-platform app development with an emphasis on social networking apps, and impeccable knowledge in implementing messaging, chat, news feed, video streaming, and user profile creation capabilities is essential. Other skills such as proficiency in Firebase for back-end processing and a good understanding of UX/UI design p...

I'm looking for an Android app developer to create a minimalistic app. The app should have the following key features: - User login and registration: The app should allow users to create accounts and log in securely. - Push notifications: The app should be able to send push notifications to users' devices. - Social media integration: The app should be integrated with different social media platforms. I have a preference for clean and minimalist design. The app should be easy to navigate, with a simple and intuitive interface. I'm looking for a developer who has experience in creating modern and sleek Android applications. The app should be compatible with Android 11 and above. Please let me know your relevant experie...

As the client, I need a website that can function offline, primarily aimed at assigning 3D components to various errors. These components should be simple structural designs. The basis for the assignment of these components is a manu...function offline, primarily aimed at assigning 3D components to various errors. These components should be simple structural designs. The basis for the assignment of these components is a manual input system. Integrating a feature for capturing photos of these errors is also crucial for this project. Ideal skills and Experience: • Proficient in 3D designs • Web Development Skills • Experience with Offline Application Development Key Features: • Assign 3D Components to Errors (manual input basis) • Capture Photos of ...

With the goal of setting up an E-commerce website, I'm in need of a skilled developer. The site's primary objective is to offer a platform for selling...fostering trust and boosting sales. A freelancer who has experience in implementing such features is preferred. - **Live Chat Support Integration**: To provide real-time support to potential buyers, the website should have a live chat feature. Experience in setting up and integrating live chat support is highly desirable. The ideal candidate should have previous experience in E-commerce website development. Not only should they be proficient in creating a visually appealing and user-friendly website, but they should also be seasoned in integrating crucial E-commerce features such as payment gateways, customer reviews, an...

I'm in need of a skilled web developer ...The platform should have a straightforward job posting and application process to encourage user engagement. - User accounts and profiles should be manageable, enabling both job posters and applicants to track their activity. - I need the site to be secure, with encrypted user data and a reliable payment gateway for potential premium features. Ideal Skills and Experience: - Proficiency in web development, with prior experience in job board website construction. - Strong understanding of e-commerce features, as the site will involve job seekers and job posters. - Knowledge of user experience and interface design to ensure a smooth user journey. - Familiarity with security measures for online platforms, especially in relation to user dat...

...conversation. To achieve this, I need the chatbot to exhibit an intermediate level of conversation complexity, which includes contextual understanding. Key Requirements: - Experience with Mistral, RAGs, DPO: These technologies will be pivotal in enabling the chatbot to engage in conversations and understand the context of user inputs. - Proficiency in chatbot development: I need a developer with a strong background in chatbot development, including the ability to create conversationally engaging bots. - Familiarity with conversational AI: Understanding of how conversational AI can be leveraged for improving user engagement is essential. - Ability to deploy within a script: I plan to deploy the chatbot within the same script, so the developer should be able to work within ...

I'm in need of an experienced iOS developer to create a recipe app with the following specifications: - The first screen needs to have 3 buttons, each representing the meal categories Breakfast, Lunch, and Dinner. These buttons should be designed to be easily distinguishable and engaging for the user. - When a user clicks on a particular meal type button, the second screen should dynamically update to display a list of recipe items associated with the selected meal type. This should be implemented using a UITableView. - Each recipe item in the table view should only display the recipe name, in a clear and legible format. -when you click on a recipe name in table view, it takes you to a third screen and display cooking instructions and ingredients. in addition, I have attach...

I'm seeking an experienced game developer to create a basketball game with specific features and design requirements. Key Game Features: - Multiplayer mode: The game must support multiplayer m...enabling single-player progression through a series of basketball career moments. - Realistic physics: The physics should be as realistic as possible, offering an immersive gaming experience. Design Preferences: - Realistic: The look and feel of the game should be realistic, aiming for an authentic representation of a basketball game. The ideal candidate will have significant experience in game development, specifically in creating games with realistic design and physics, as well as incorporating multiplayer and career modes. Proficiency in developing games for multiple platforms wo...

...sentiment of the news they are reading. Data Visualization: Use libraries like Matplotlib and Seaborn to create graphs showing trends in news topics or sentiments over time. Interactive Elements: Allow users to interact with the data visualizations, such as filtering views based on time or sentiment. Tools & Techniques: Web Development: Use HTML, CSS, and JavaScript for the frontend, with frameworks like React or Angular to enhance the user interface. Backend Development: Python with Flask or Django for server-side logic, handling API integrations, and user data management. Machine Learning: Use TensorFlow or PyTorch for building the recommendation engine, and NLTK or similar libraries for sentiment analysis. Data Management: SQL or NoSQL database to store user profile...

Looking for a women communicator with great English skills to complete easy chores. Responsibilities include having regular discussions across multiple dating platforms. The final goal is to quietly shift folks from dating applications to Instagram chat or Snapchat app. This gig runs on a per commission basis and will cost $5. My virtual assistant can close an appointment in 15 minutes or less. I'd imagine. Some minor fluff discussion is required. One out of every five leads to a sale in less time. So, for now, I'll put the fee at $5 ($10 for 2 close at freelancer.com and payments withdrawals/release is when $30 is reached or 6 close!) . A minimum of $150 to $300 a month can be earned from your phone. only working one hour or less per day I'll be delivering...

I'm looking for a skilled web developer who can create a personal website for me. I want the site to have certain features Key Features: - Course I...that allows me to maintain my schedule and plan my time effectively. - Downloadable Documents: Users should be able to download important documents, such as course materials or assignment briefs. The primary purpose of this website is for personal use, hence it doesn't need to be as complex as an online learning platform or a full-fledged student portal. Ideal Skills: - Web Development - Backend and Frontend Development - Proficiency in creating user-friendly interfaces - Understanding of security measures for user data - Experience with educational websites is a plus Please include previous work samples or releva...

I'm looking for a skilled web developer who can create a personal college website for me. I want the site to be similar to my college's official web...that allows me to maintain my schedule and plan my time effectively. - Downloadable Documents: Users should be able to download important documents, such as course materials or assignment briefs. The primary purpose of this website is for personal use, hence it doesn't need to be as complex as an online learning platform or a full-fledged student portal. Ideal Skills: - Web Development - Backend and Frontend Development - Proficiency in creating user-friendly interfaces - Understanding of security measures for user data - Experience with educational websites is a plus Please include previous work samples or r...

I am in need of a skilled developer to create a B2B digital gift card platform. The platform will have a variety of features including user registration and login, gift card selection and customization, and payment integration. Additional Features: - Gift card balance tracking: This is a crucial aspect of the project. Users should be able to easily track their gift card balances. - More: I'm also interested in potentially integrating more features as the project progresses. API Integration: - Gift card vendor APIs: It will be essential to integrate various gift card vendor APIs to ensure a wide range of choices are available. - Payment gateway APIs: Payment integration is a core feature. The platform should be able to accept various forms of payment securely. - Customer relationsh...

I'm in need of a skilled web designer to help me enhance the mobile responsiveness of my website.

I'm seeking an experienced website developer to create a functional site with an in-built multiple-choice survey feature. Key project demands include: - Creating a clean, intuitive website. - Integrating a multiple-choice survey into the website. Ideally, you possess: - Proven experience in website development and survey integration. Looking forward to your bids.

I'm in need of a professional who can create an advanced mobile monitoring app that is compatible with Android. The app should have the following features: - Live location tracking - Access to SMS and call logs - Social media monitoring - Screen recorder - Microphone access - Access to photos & videos I am looking for a freelancer who can ensure that the app provides full access to the target phone's data for comprehensive monitoring. The successful candidate should have experience in creating similar apps and should be able to guarantee the security and privacy of the data collected. Skills required: - Android App Development - Mobile Security - Data Encryption - Experience with phone monitoring apps It's important t...

I'm in need of a mechanical drawing takeoff professional who can focus on the equipment layout assessment for an HVAC project. Key Tasks: - Provide detailed metal duct layout and takeoff - Detail dimensions and lengths of ductwork - Identify connection points and necessary fittings - Specify material and gauge requirements for the ductwork ...Tasks: - Provide detailed metal duct layout and takeoff - Detail dimensions and lengths of ductwork - Identify connection points and necessary fittings - Specify material and gauge requirements for the ductwork This project requires someone with a deep understanding of HVAC systems and experience with creating detailed equipment layouts. Your work will be critical in ensuring the efficient and cost-effective operation of t...