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How do aluminum cans become part of our lives?

Metal beer beverage packaging cans have more than 70 years of history, three cans are made of tin skin, the top of the tank is conical shape, above is a corona-shaped can cover. Its general appearance is not too different from the glass bottle. At the beginning, it was filled with glass bottle filling line, and then there was a special filling line. The lid evolved into a flat shape in the mid-1950s and was modified into an aluminum ring in the 1960s.

For decades, the manufacturing technology of aluminum cans has been continuously improved. Aluminum can weight has been greatly reduced, aluminum can lid lightweight progress is also obvious. The lid is losing weight. The speed of making cans is greatly improved, and the recycling and utilization of waste metal cans after use are very important, and the recycling and reuse rate of metal cans is also constantly high.