TY JOUR TI ASSESSMENT OF HARMFUL INDUSTRIAL FACTORS ON THE WELDER , 5TH GRADE KW harmful factors in the class (subclass) the working conditions KW hygienic standard. JO Modern Technologies and Scientific and Technological Progress AU Dubovenko, E.O. AU Katul'skiy, Y.N. AU Ignatov, M.O. PY 2020 IS 2020 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»