3 Ways to Make Cement wikiHow How to do anything
27/10/2017· Once it's cool, slip on work gloves and crumble the limestone into a fine powder with your hands. The resulting powder is cement, which you can mix with water, sand, and gravel to make concrete! For more tips, including how to use a cement mix to make concrete, or advice on how to make "survival cement" from mud and grass, read on!