A manual can opener is a device used to open tin cans. It typically consists of a cutting wheel, a handle, and a base. The cutting wheel is made of hardened steel and is designed to cut through the metal lid of the can. The handle is used to turn the cutting wheel, and the base provides stability for the opener. There are many different types of manual can openers available, each with its own advantages and disadvantages.
Manual can openers are an important tool in the kitchen. They are relatively inexpensive, easy to use, and can be used to open a variety of different types of cans. However, manual can openers can be dangerous if they are not used properly. It is important to read the instructions carefully before using a manual can opener, and to always keep your fingers away from the cutting wheel.