Why they use stone crush on roof of the multistory buildings?May 31, 2013 . I see in France most of the multistory buildings, there is a black stone crush placed on the top of the buildings. I would like to know whether they.stone crush building,Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . The earliest crushers were hand-held stones, where the weight of the stone provided a boost to .. massive noisy buildings full of conveyors, belt-powered trip-hammer crushing stages and giant metal grading/sorting grates.
stone crush building