stop - subs
- stop
- stop gear
- stop piece
- stop tellevel
- stopboard
- stopcock
- stope(r) drill
- stope[r] hammer
- stoppage
- stopper
- stopping
- stopping distance
- stopping face
- storage
- storage battery
- storage cylinder
- storage dam
- storage drift
- storage factor
- storage hopper
- storage operation
- storage pile
- storage pond
- storage rack
- storage sump
- storage tank
- storage track
- store house
- stored heat
- storm activity
- storm drainage
- storm-water drain
- stowing gun
- stowing gunny
- stowing operation
- stowing pipe
- straddle
- straddling dipper handle
- straight (direct drive, direct transmission, positive gearing) drive
- straight arm mixer
