[Hygienic assessment of the ambient air during automatic welding of large-bore pipes].
D000397:Air Pollution; D006801:Humans; D008345:Manganese / Q000032:analysis*; D012800:Siberia; D014896:Welding
D008345:Manganese
Gigienicheskaia otsenka vozdushnoĭ sredy pri avtomaticheskoĭ svarke trub bol'shogo diametra.