теплозвукоізоляція
aircraft sound proofing
sound-proofing
heat and noise insulation
sound ranging (artillery sound ranging)
drown proofing Navy SEALs
corrosion proofing
fire(-proofing) test
rust-proofing
proofing
acoustic insulation
insulation envelope
insulation failure
noise insulation
noise insulation program
sealed insulation boot
shrink insulation
insulation
clicking sound
communications by sound
high-intensity sound
sonar (sound navigation and ranging)
sound communication
sound wave
sound-absorbent tile
stun grenade / flash grenade / flashbang / thunderflash / sound bomb
artillery sound reconnaissance
supersonic speed (exceeds speed of sound / Mach 1)
sound damping
aerial sound ranging
air registration point (in sound ranging)
high-frequency sound waves
sound-proof compartment