boos - bure
- break out potential
- break point
- break seal ampoule
- break switch
- break through in the field of weapons technology
- break through of radioactive debris
- break through to the surface
- break up charge
- break up signal
- breakaway
- breakdown
- breakdown gang
- breakdown service
- breakdown speed
- breakdown tractor
- breaker
- breaker arm
- breaking
- breaking down of trains
- breaking stress
- breakpoint instruction
- breakwater
- breakwire
- breast hole
- breast hook
- breast work
- breath
- breathalizer
- breather
- breather roof of a tank
- breathing
- breathing apparatus
- breathing characteristic
- breathing device
- breathing equipment
- breech block carrier
- breech block crankshaft
- breech block threaded sector
- breech casing
- breech chamber
