%0 Journal Article %T RESEARCH CONCENTRATION OF HARMFUL SUBSTANCES IN THE WORKING AREA AIR OF LASER CUTTING UNITS METALS %A Taranyuk, I.V. %A Slobodyuk, A.P. %A Fomenko, Y.V. %K maximum permissible concentration (MPC), working area air, gas analysis, aspirator, laser cutting %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2025 %N 10 %P 9 %I Belgorod State Technological University named after V.G. Shukhov