Pick up the incorrect statement from the following for allowing workers to enter sewers Options: A . &nbspThe particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes B . &nbspProper tests for the presence of poisonous gases must be carried out C . &nbspThe men entering the manhole should be advised to smoke in the sewer D . &nbspWarning signals should be erected

Pick up the incorrect statement from the following for allowing workers to enter

Question

Pick up the incorrect statement from the following for allowing workers to enter sewers

Options:

A . The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes

B . Proper tests for the presence of poisonous gases must be carried out

C . The men entering the manhole should be advised to smoke in the sewer

D . Warning signals should be erected

Answer: Option C

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