The Ultimate Buying Guide to Crushed Stone and Gravel
Item #4 - Quarry process - Base gravel #3. ... Large rocks (often limestone) are processed in a stone crusher to make smaller pieces. Since it is artificially crushed, crushed stone usually has harder, sharper edges than gravel. ... Some gravel is still mixed with stone dust or clay and sand. This helps bind the rock together and makes a firm ...
قرأ أكثر