Metal cans are containers made from thin sheets of metal, usually aluminum or steel. They are commonly used to package food and beverages, such as soda, vegetables, and soup. Metal cans are popular because they keep products fresh and safe from light and air, which can spoil food. The process of making metal cans involves shaping the metal into a cylinder and sealing the ends. This design makes them easy to stack and store. Additionally, metal cans are recyclable, which helps reduce waste and protect the environment. Many people appreciate the convenience and durability of metal cans in their daily lives.