TY JOUR TI MODELING OF TECHNOLOGICAL PROCESSES OF LOCKSMITH AND WELDING FUNCTIONING KW locksmith and welding division KW polluting components KW emission sources KW environmental audit KW working area air KW maximum single and gross concentration JO Modeling of systems and processes AU Zvyaginceva, A.V. AU Sazonova, S.. AU Kul'neva, V.V. PY 2020 IS 13 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov