Choose the word that best completes this sentence. Welding in confined spaces and on stainless steel generates _____________ a very toxic chemical. A. Carbon monoxide B. Hexavalent chromium C. Hydrogen sulfide D. Solvent vapors
Welding in confined spaces and on stainless steel generates hexavalent chromium a very toxic chemical.
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Elena15|Points 1035|
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Asked 1/23/2018 1:14:11 PM
Updated 2 days ago|4/8/2021 4:24:16 AM
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