During preliminary treatment of a sewage Options: A . &nbspOil and grease are removed from skimming tanks B . &nbspFloating materials are removed by screening C . &nbspAll listed here D . &nbspGirt and sand are removed by girt chambers

During preliminary treatment of a sewage

Question

During preliminary treatment of a sewage

Options:

A . Oil and grease are removed from skimming tanks

B . Floating materials are removed by screening

C . All listed here

D . Girt and sand are removed by girt chambers

Answer: Option C

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