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CWEA COLLECTIONS GRADE 1/28 QUESTIONS AND ANSWERS (A+)
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CWEA COLLECTIONS GRADE 1/28 QUESTIONS AND ANSWERS (A+) Sewer maintenance vehicles are - √Answer :difficult to maneuver Quiz :At low concentrations, hydrogen sulfide smells like - √Answer :Rotten Eggs Quiz :which safety hazard in a collection system operations can be detected by an insturment? - √Answer :Toxic Gases Quiz :What must be checked first before entering a manhole? - √Answer :Proper barricades or warning devices around manhole. Quiz :When should field crews use signs and cones? - √Answer :When over half the street is blocked. Quiz :The different zones of traffic control include - √Answer :buffer
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