The compression springs are an open coiled type, used where a load or force is required when compressed, or to store energy in the compressed position. A compression spring offers resistance to compressive forces. The rings are wound around, and both ends can be open or closed or flattened or flatten due to the pressure. The shape of the waist and even the various tails can be deformed by design. It is one of the most widely used of all kinds of springs. Typical applications for compression springs include: Aerospace Valve Spray Off-road equipment Automotive Switches Fluid/air control