Choose the word that best completes this sentence. Welding in confined spaces and on stainless steel generates _____________ a very toxic chemical.

QUESTION POSTED AT 18/04/2020 - 07:20 PM

Answered by admin AT 18/04/2020 - 07:20 PM

Welding in confined spaces and on stainless steel generates hexavalent chromium. Hexavalent chromium is a compound that is generally used in textile dyes and wood preservation. 
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