TY JOUR TI JUSTIFICATION OF THE NECESSITY AND POSSIBILITY OF INSTALLING A NOISE SILENCER OF THE "ACOUSTIC MIRROR" TYPE ON TECHNOLOGICAL PLANT KW noise level KW air supercharger KW silencer KW working conditions KW technological personnel. JO Scientific Papers Collection of the Angarsk State Technical University AU Sergeeva, E.V. AU Filippova, T.M. PY 2020 IS 2018 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»