Discuss some of the circumstances where mechanical ventilation is required in the welding standards. Do you believe this requirement is reasonable? Why, or why not?

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Discuss some of the circumstances where mechanical ventilation is required in the welding standards. Do you believe this requirement is reasonable? Why, or why not?

 

 

 

Your response must be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

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