Рет қаралды 34,973
Breathing Apparatus in Fire services part -2, Inspection & operational test of BA Set, Pre-entry test, Working duration & full working duration of B A Set, various air function during inhalation & exhalation, Intrapped procedure & entrapped position, Tidal Air, Supplementary Air, Complementary air, Residual air, Vital capacity, Lung capacity, Uses of DSU, description about DSU.