Try this website:
http://www.howstuffworks.com/
Try different search terms until you find what you're looking for.
=)
how do they work ?
A trick many employ to open and close gates: they use an endless helical drive screw, so the motor turns the screw only one way. It has limit switches on each end to shut off motor.
To understand how things work, you can visit websites like howstuffworks.com. This particular website provides explanations on various topics, with articles detailing the inner workings of different machines, devices, and concepts.
To get started, follow these steps:
1. Go to http://www.howstuffworks.com/ in your web browser.
2. Once at the website, you can either use the search bar at the top of the page to directly search for a specific topic or click on the different categories displayed on the home page to browse through various subjects.
3. If you choose to search for a specific topic, enter relevant keywords or phrases in the search bar. For example, if you want to understand how gates work, you can enter "how gates work" in the search field and hit Enter.
4. Review the search results. Click on the article that seems most relevant to your question or interest.
5. Read the article thoroughly to gain an understanding of the subject you're interested in. The articles on howstuffworks.com are written in a clear and accessible manner, explaining concepts in a way that is easy to understand.
By following these steps, you should be able to find explanations for a wide range of topics on howstuffworks.com. Good luck!