This strange white paste might not look like much, but it might help solve the sand shortage, while making the cement ...

Poeppelman Materials Company vice president Matt Poeppelman (holding scissors) and Poeppelman Materials Company President Ben ...

such as limestone, clay, iron ore and gold. Aggregates are materials in many small pieces, which are often used in the building industry, such as sand, gravel or crushed stone. Sand is the natural ...