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Quiz Question 1?

Your answer for best PPE for GRINDING is incorrect. You state in your in lesson - "If you are going to be welding and working for longer than 30 minutes, wear either a mask or a respirator that can protect you from metal fumes." so welding yes grinding not so much. Second none of the answers includes Ear Plugs. Not only for noise reduction. As you know sparks are flying every where they can and will go in your ear.