Work Safely with Concrete and Cement
Aug 12, 2016 · Concrete is a common building material that can be used in a variety of ways. It's generally made by combining cement, sand, aggregate (small stones) and water. When these materials are mixed in the correct amounts and if they're further strengthened by adding rebar, fiberglass strands or plastic rods, the concrete can be used to build roads, bridges, buildings, .