bucket roller - cam disk
- bucket roller
- bucket trap
- bucket trenching machine
- bucket valve
- bucket-ladder dredge
- bucket-tipping device
- bucket-wheel blower
- bucking
- bucking coil
- bucking effect
- bucking hammer
- bucking potential
- bucking ram
- bucking voltage
- bucking winding
- bucking-out
- bucking-out system
- bucklandite
- buckle
- buckle chain