brea - bust
- breach
- breadth
- break
- break a contact
- break contact
- break in
- break into
- break mark
- break off
- break open
- break out
- break part way
- break spark
- break-up
- breakage
- breakage load
- breakdown
- breakdown crane
- breakdown lorry
- breakdown potential / voltage
- breakdown test
- breakdown torque (induct.motor)
- breaker
- breaker arm
- breaker cam
- breaker contact
- breaker contact-point / platinum- contact
- breaker jaw
- breaking
- breaking limit
- breaking load / strain
- breaking of vacuum
- breaking out / up
- breaking shaft
- breakwater
- breast
- breast beam
- breast drill
- breast plate
- breast wall
