USEFUL VIDEO - Here's how to open the can when you have a special opener! SUPER trick!

Definitely good video that naitina someday may benefit you ....... The can is sealed, sterilized food product intended for the preservation and storage of food for a long period of time. The most commonly preserved in cans, which require cutting of the metal opening. Metal they are made of steel is usually covered with a layer of tin, although there are aluminum (which began to be used in the 1960s) and other preserves. Tin was patented in 1810. Early use of lead solder, which leads to poisoning. The dimensions of the cans are standard - 250, 500, 750 ml and 1 L.