TY JOUR TI ASSESSMENT OF WORKING CONDITIONS OF 4-LEVEL APPARATCHIK AT THE CHEMICAL ENTERPRISE KW working conditions KW the system of evaluation of production factors KW the working place of an operator with 4 bits KW safety of production processes JO Bulletin of the Angarsk State Technical University AU Demchenko, E.A. AU Filippova, T.M. PY 2019 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»