joserosado959 joserosado959
  • 24-04-2018
  • Chemistry
contestada

What is required before using a respirator? A.nothing B.proper training C.survey of the work area D.users guide

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MrMetzger MrMetzger
  • 24-04-2018
I would say B but it might be D
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josephforzanti3 josephforzanti3
  • 24-04-2018
B because you need to know how to actually be able to use the device
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