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Male two worker inspection floor scan tank external floating of rust wall lose thickness bottom plate in manhole tank to work inside confined
Confined space working, flow in air ventilation.
feedlot intensive production system beef cattle. Nelore and Angus breed bovine
Welding male worker metal is part of machinery plate tank beam pipe construction flash spark inside confined spaces.
Top view male worker climb up the stairs into the tank stainless chemical area confined space safety blower fresh air

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