Gravel and sand play a role in many parts of everyday life: They are used in construction, in the manufacturing of glass and porcelain, and even as an additive in toothpaste, cleaning materials and cosmetics. But where does this valuable raw material come from? Processing facilities like the Ellerdonk gravel plant in Rees source and unearth stones from up to 30 metres below the surface and process them into industrially usable gravel.
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