For citations:

Pototskii E.P., Firsova V.M., Sakharova E.A. ACCOUNT OF JOINT EFFECT OF THE COMPLEX OF HARMFUL FACTORS AND ANALYSIS OF THE INFLUENCE OF PRODUCTION FACTOR OF CHEMICAL NATURE ON THE LEVEL OF PROFESSIONAL RISK. Izvestiya. Ferrous Metallurgy. 2018;61(1):35-39. (In Russ.) https://doi.org/10.17073/0368-0797-2018-1-35-39