7 min

How a quarry works Earth's physical resources: rocks for roads - for iPad/Mac/PC

    • Cursos

Quarry managers explain how rock is formed and how they extract different layers of stone. Once blasted and processed, it is used to build roads.

Quarry managers explain how rock is formed and how they extract different layers of stone. Once blasted and processed, it is used to build roads.

7 min

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