FIELD: fire-fighting equipment. SUBSTANCE: method involves providing volume fire-suppression by means of automatic fire suppressing units, movable volume gas fire-suppressing units and movable local fire-suppressing units, as well as portable units for suppressing of classes A, B, C, D, E fires; generating nitrogen and simultaneously removing oxygen from space of room to be protected from fire. Such units may be used in enterprises of automobile transport industry, in mechanical engineering enterprises for creating inert medium, in chemical industry for increasing efficiency of ammonia synthesis units. EFFECT: wider operational capabilities and increased efficiency. 3 cl, 3 dwg
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