Re: Ðề: Bề dày vật liệu làm lon nước ngọt(coca, pepsi)
Trích từ http://en.wikipedia.org/wiki/Beverage_can: Cans are filled before the top is crimped on. The key engineering issue is that can walls are about 80 micrometers thick,[citation needed] so empty cans are light, weak, and can easily be...