Jaw Crusher is a tool for crushing stone or other materials which functions to reduce the size of the material to a smaller size. Here are some of its characteristics and uses: Function 1. Crushing stones or other materials. 2. Reduce material size. 3. Improve material processing efficiency. Characteristics 1. Consists of two movable jaw plates. 2. Using pressure force to crush material. 3. Can crush materials of different sizes. 4. Has a high processing capacity.