(мор.) бон для взяття рифа за допомогою скочування вітрила
boom barrier (boom gate)
reefing (a sail)
reefing lines
reefing points
boom defense
boom gate
boom smasher
Sonic Boom Committee
sonic boom effect
tail boom antenna unit
boom-style
boom
boom vang (rigid)
load boom
ick boom
launcher boom
tail boom
bearing roller
cam roller
mine-clearing roller (MCR)
roller assembly
roller beam
support roller
rocker arm roller
traveling roller
cam roller pin
mine-clearing roller disc
tank-propelled mine-clearing roller
roller fairlead
annular wide roller bearing
barrel roller
barrel shaped roller