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| Russian | English |
| заслонка противопожарная | fire damper |
| заслонка шлюзовой камеры | airlock gate |
| заслонки шлюзовой камеры | airlock gates |
| противопожарная заслонка | fire damper (Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent the spread of fire inside the ductwork through fire-resistance rated walls and floors. WАД Alexander Demidov) |