👉 A washer is a type of machine used to separate a liquid from another liquid or solid. It consists of two concentric cylindrical containers, with one container having a smaller diameter than the other, and an annular space between them. The liquid contained in the smaller cylinder then flows through the annulus into the larger cylinder. Washers are commonly used for separating liquids like milk and water, as well as solids like soap from sand. They can also be used to separate gases such as air from
