brattice cloth - cage chair
- breakup
- breakwater
- breakwater gaps
- bream
- breast
- breast drill
- breast heads
- breast hole
- breast mining
- breast timbering
- breast wheel
- breast-and-pillar
- breast-and-pillar work
- breathing
- breathing apparatus
- breccia
- breccia chimney
- breccia column
- breccia marble
- breccia of sporadic fragments
- breccia sandstone
- breccia stack
- breccia брекчия
- breccia-conglomerate
- breccia-sandstone
- breccial
- brecciat
- brecciate
- brecciated
- brecciated and folded calcareous siltstones
- brecciated limestone
- brecciated structure
- brecciated vein
- brecciated zone
- brecciating
- brecciation
- brecciform
- brecciform structure
- brecciola
- bredbergite