The term CROWBARS is a type of lever, which is a simple machine consisting of a rigid bar that pivots around a fixed point. It is used to apply force to move or lift an object. Crowbars are typically made of metal and have one curved end and one flat end, allowing them to be used for a variety of tasks such as prying open doors or windows, lifting heavy objects, or breaking up rocks. They are also commonly used in construction and demolition work.