TY JOUR TI EASILY REMOVABLE STRUCTURES FOR BOILER ROOM KW easily removable structures KW life safety JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Seryh, I.R. AU Chernyshova, E.V. AU Serykh, V.D. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov