- baffle structure
- bag
- bag siphon
- bag-cloth
- bagasse pit
- baggage elevator
- bagged cement
- baguette
- bahut
- bail handle
- bailey
- Bailey bridge
- bailey truss
- bailing bucket
- bailing pulley
- Bain Marie
- bake
- bakelite
- bakery
- baking varnish
- balance
- balance arm
- balance beam
- balance cam
- balance chamber
- balance crane
- balance dock
- balance indicator
- balance lever
- balance pressure
- Balance sheet
- balance static
- balance step
- balance support
- balance weights
- balanced arch
- balanced armature
- balanced construction
- balanced gate
- balanced hoisting
- balanced lifting
- balanced modulator
- balanced moment
- balanced reinforcement
- balanced step
- balancer
- balancing
- balancing dynamo
- balancing reservoir
- balancing valve
- balconet
- balconette
- balcony
- balcony access
- balcony banisters
- balcony door
- balcony rail
- balcony slab
- balcony stage
- balcony window
- baldachin
- balistraria
- balk
- balke
- ball
- ball catch
- ball clay
- ball cock
- ball float
- ball flower
- ball pivot
- ball test
- ball wear
- ballade
- ballast
- ballast aggregate
- ballast bed
- ballast box
- ballast cleaning
- ballast crusher
- ballast cushion
- ballast pit
- ballast plant
- ballast pockets
- ballast quarry
- ballast section
- ballast tamper
- ballasted
- ballaster
- ballaster-batcher
- ballasting
- ballasting material
- ballasting work
- balled
- ballet
- ballflower
- balling cement
- ballistic
- ballistic separator
- ballot box