1. The heads and tails of the two cans overlap, the pipe to be opened is placed below, and the opening of the pull ring of the can is placed opposite.
2. Put the bottom of the top can close to the bottom can, and open the can from your side.
3, you can use some tools, such as fruit knives, scissors, etc., to make a small hole in the bottle cap, and then you can drink it through a straw, or pour out the drinks in the cans.
Development of canned food
From 65438 to 0940, Europe and America began to sell beer in stainless steel cans, and the appearance of aluminum cans also became a leap in canning technology.
1963, cans were invented in America. It inherits the design characteristics of the previous can shape and designs a can ring. This is an open mode revolution, which has brought great convenience and enjoyment to people, so it has been widely used soon. By 1980, this aluminum can was basically used as the packaging form of beer and carbonated drinks in European and American markets.