Páčidla

A crowbar, also be known as a pry bar, wrecking bar, gorilla bar or pinch bar, is a metal bar tool that has flatted points at each end, often with a small fissure to help remove nails or prise two materials or objects apart. One end of the bar is curved into a hook shape, which is a first-class lever and is usually the end most commonly used, and the straighter flat end is a second-class lever....