(мор.) жорсткий регулятор напруги вантажної стріли вітрила
semi-rigid - rigid inflatable boat (RIB)
boom barrier (boom gate)
rigid tow bar
non-rigid airship
rigid airship
rigid bearing
rigid removable tank
rigid pavement
rigid vortex
unmanned non-rigid airship
unmanned rigid airship
unmanned semi-rigid airship
armour piercing, composite rigid (APCR)
armour-piercing, composite non-rigid (APCNR)
composite rigid shot
boom defense
boom gate
boom smasher
Sonic Boom Committee
sonic boom effect
tail boom antenna unit
boom-style
roller reefing boom
boom
load boom
ick boom
launcher boom
tail boom