- brittle point
- brittle rupture
- broad irrigation
- broadband network
- broadcasting center
- broiler farm
- broken
- broken piece
- brown coat
- brush clean
- brush rake
- brush shapes
- brush work
- brutalism
- bubb tee
- bucket agitator
- bucket capacity
- bucket drill
- bucket feeder
- bucket line
- bucket lip
- bucket pump
- bucking load
- bucking strain
- buckle
- buckle plate
- buckling
- buckling strength
- budget
- build
- builder
- building
- Building Act
- building block
- building climatology
- building construction
- building contract
- building drain
- building expert
- building foreman
- building glass
- building implement
- building inspector
- building operations
- building paper
- building physics
- building plot
- building product
- building repair
- building sand
- building section
- building slip
- building structures
- building technician
- built channel
- built-up
- bulb
- bulbous dome
- bulging
- bulk cement
- bulk material
- bulk mining
- bulk product
- bulkhead structure
- bull header
- bulldozer operator
- bullen nail
- bullhead rivet
- bullnose step
- bunched seismometer
- bundle
- bundled bars
- business center
- business end
- business house
- business representative
- business town
- busway
- butt
- butt cleat
- butt end
- butt gap
- butt hinge
- butt strap
- butt welding
- butterfly bolt
- butterfly nut
- buttering
- buttress dam
- buttress head
- buttress stem
- buttressed wall
- buzzer
- by component
- by-pass
- byline
- bypass channel
- bypass factor
- bypass gallery
- bypass pipe