breaking and crushing of stone and gravel sungai buloh

IRIN | Children crushing stones into gravel to get through schoolJun 29, 2005 . Children crushing stones into gravel to get through school . over with the effort of trying to break a stone, said she worked with her mother.breaking and crushing of stone and gravel sungai buloh,Crushed stone - WikipediaCrushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers. It is distinct from gravel which is produced by natural processes of.