brea - bush
- bread-board system
- break
- break away of the train
- break before-make contact
- break contact
- break contact arc
- break crane wagon
- break down
- break gang
- break ground
- break hammer
- break in the engine
- break into
- break jack
- break roll
- break service
- break shock
- break spark
- break spring
- break test
- break test of cable
- break the bond
- break the circuit
- break the contract
- break torque
- break train
- break up the core
- break up the train
- break-before-make contact
- break-in key
- break-in line
- break-in operation
- break-up yard
- breakage of tyre
- breakaway
- breakdown
- breakdown engineer
- breakdown equipment
- breakdown gang
- breakdown lorry
