газонепроникний
gas-tight clothing
gas-tight suit (CBRN)
lightweight weather tight shelter
pressure tight sliding door
fume-tight
tight head space adjustment
water-tight liner
fluid-tight
fluid-tight contact
tight bore
high and tight
keep one`s kit tight
gas gun; (tear) gas launcher
blister agent/ gas
blood gas
choking agent / gas
combustion gas
gas alarm / warning
gas analysis system
gas and electricity service
gas bleed
gas chamber
gas defense
gas density
gas mask
gas mask test
gas mechanism
gas piston
gas plug
gas precautions
gas terrorism
gas turbine engine