небезпечна ділянка
flight envelope / performance envelope / service envelope
fire exposed envelope; fire hazard area
exposed personnel
exposed hammer
exposed tank
exposed to combustion chamber
noise-exposed population
warned exposed personnel
exposed skin
CBR exposed casualty
exposed warned personnel
engagement envelope
cupro-nickel envelope
fire envelope
balloon envelope
atmospheric envelope
air envelope
fixed envelope
gaseous envelope
insulation envelope
thermal protection envelope
envelope
authorized flight envelope
basic flight envelope
carried flight envelope
cleared flight envelope
envelope clearance flight
extensive flight envelope
ferry flight envelope
flight altitude envelope
flight envelope boundary
flight envelope clearance