grinding stone wiki sand making stone quarry
Quarry - WikipediaA quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate has been excavated from the ground. A quarry is the.grinding stone wiki sand making stone quarry,Sharpening stone - WikipediaSharpening stones, water stones or whetstones (often misspelled wetstones) are used to sharpen the edges of steel tools and implements through grinding and honing. . They may be composed of natural quarried material, or from man-made .. This process locks the diamonds in place through a complex manufacturing.