Sludge Management
23:12
Added: 3 years ago
From: PublicResourceOrg
Views: 1,728
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  • Thank you very much!

    Rogerfrombcn 1 year ago

  • Heavy metals and other industrial chemical waste ruins the sludge for reuse on farmland.

    RevoBB 2 years ago

  • Yummy

    sumartoilet 3 years ago

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