Cans are recyclable trash.
Recyclable trash is trash that we can recycle and reuse, and cans clearly fall into this category. Recyclable garbage includes soy sauce bottles, glasses, plate glass, cans, beverage bottles, shampoo bottles, plastic toys, books, newspapers, advertisements, cardboard boxes, clothes, bedding and so on.
Cans are made of aluminum, which is a valuable metal and easy to recycle. After recycling, cans can be used for recycled aluminum production, saving aluminum resources and reducing carbon dioxide emissions, which helps the environment. In the process of garbage classification, categorizing cans as recyclables helps to save resources and protect the environment. Therefore, we should actively participate in the work of garbage classification and place cans in recyclable garbage cans for the benefit of environmental protection and our human living environment.
The invention and use of cans
In 1940, Europe and the United States began to sell stainless steel cans of beer, the same period of aluminum cans also became a leap forward in can-making technology. 1963, the easy-open cans in the United States to be invented, which inherited the previous shape of the cans design features, in the top of the design of easy-open ring. This is a revolution in the way of opening, bringing great convenience and enjoyment to people, and thus quickly gained universal application.
By 1980, Europe and the United States market basically all use this aluminum can as a form of packaging for beer and carbonated drinks. With the advancement of design and production technology, aluminum cans tend to be lightweight, from the initial 60 grams down to about 21-15 grams in 1970.