A is a mechanical or electrical device used to keep a steady temple

The device you are referring to is called a thermostat. It is used to regulate and maintain a steady temperature in a controlled environment, such as a room, building, or home.

If you want to get more information about thermostats, you can follow these steps:

1. Start by searching on the internet: Open a web browser and type "thermostat" into the search engine. This will provide you with a list of websites and resources that contain information about thermostats.

2. Visit reliable sources: Look for reputable websites that provide accurate and detailed information on thermostats. Some reliable sources include manufacturer websites, educational institutions, or trusted energy organizations.

3. Read articles or guides: Look for articles or guides that explain how thermostats work, their different types, and their features. These resources should provide you with a comprehensive understanding of the device.

4. Watch instructional videos: If you prefer visual explanations, you can search for videos about thermostats on platforms like YouTube. Videos often provide step-by-step instructions on how to install, operate, and troubleshoot different types of thermostats.

5. Consult manuals: If you have a specific thermostat model in mind or already own one, check the manufacturer's website for the user manual. The manual will provide detailed information on the specifications, features, and instructions for using the thermostat effectively.

Remember to source information from trustworthy and reliable sources to ensure accurate and relevant details about thermostats.