1592953958000 1312632483000 term-79953 1616541004835 1312632577000 1616290392431 adlib fitz-online adlib-term-79953 135bd573-7fc1-38e5-8185-169d364f0f17 2 1 scope note Protective masks worn when working in an area with gas, fumes, smoke, or high dust density. reference term-79033 adlib-term-79033 c0c5e464-5857-3729-9ef5-68be62085e7f respirator V.TH.AFU.AXC.FZU.BCW 1 code V.TH.AFU.AXC.FZU.BCW 1 respirators reference term-86487 adlib-term-86487 99a8245f-fb31-3ba2-859c-b2cb567dc6d7 <protective equipment> respirators term