Construction aggregate

Construction aggregate, or simply aggregate, is a broad category of coarse to medium-grained particulate material used in construction. Traditionally, it includes natural materials such as sand, gravel, and crushed stone. As with other types of aggregates, it is a component of composite materials, particularly concrete and asphalt.

Aggregates are the most mined materials in the world, being a significant part of the 6 billion tons of concrete produced per year.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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