👉 A hopper is a type of container that is designed to hold and store various types of liquids, gases, or other substances. It is typically made from a material such as plastic or metal and has a lid or bottom that allows it to be opened and closed with ease. In the context of a hopper, "hopper" refers to a type of container designed for storing a mixture of liquid and gas. This type of container can hold different volumes of liquid and gases depending on the desired