If you’ve always wondered how soda cans were manufactured, then check out this interesting “How do they do it?” segment. Continue reading to watch.

Most beverage cans have a slightly tapered top and bottom. The metal on the lid of the can is significantly thicker than the metal on the sides. This means that a great deal of raw materials can be saved by decreasing the diameter of the lid, without significantly decreasing the structural integrity or capacity of the can. This results in savings of about 15% versus a non-tapered can