хімічне зараження
contamination avoidance
contamination control
contamination control area
contamination control line
contamination control point
contamination forecast
contamination zone
contamination-free
extent of contamination
hazardous levels of NBC contamination
liquid contamination
radioactive contamination
residual contamination
fumes contamination
contamination control point (CCP)
contamination meter
water contamination
electro-magnetic contamination
noise contamination
contamination
volumetric contamination
effective time of contamination
gas gun; (tear) gas launcher
blister agent/ gas
blood gas
casualty gas
choking agent / gas
combustion gas
gas alarm / warning
gas analysis system
gas and electricity service
gas bleed