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And the impact crusher (impactor) is widely used in hydroelectricity, highway, artificial rock, stone and sand, building material, etc. 3.Working Principle of Stone concasseur : The strip and strip pulley are driven by a motor, and the movable jaw moves up and down via eccentric shaft.China Stone Crusher manufacturer, Jaw Crusher, Drier,,Impact crusher is mainly used to crush many kinds of large, medium, small materials, impact crusher is used to crush the hard materials and the impact crusher is widely used in hydroelectricity, highway, building material, etc. Jaw crusher has the characters of crushing ratio, easy maintenance, operating cost and etc. Jaw crusher is mainly,Hydroelectricity - Wikipedia,Hydroelectricity is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity ,  and was expected to increase about 3.1% each year for the next 25 years.