手册 (shǒu cè): คู่มือ

When I bought a new camera, the clerk gave me a user manual that taught me how to adjust the aperture and shutter speed.

This washing machine didn't come with Chinese instructions, so I had to download the English manual online and learn how to operate it while reading.

The teacher told us to keep a grammar handbook in our backpacks, so that whenever we come across a sentence we don't understand, we can take it out and look it up at any time.

To prepare for the exam, he looked through the lab manual every day and copied the key steps into his notebook.

On the new employee's first day, the HR department gave out an employee handbook that contained all the company's rules and regulations.