- spottiness
- spout
- sprag
- sprawl
- spray
- spray conduit
- spray gun
- spray tap
- spraying gun
- spraying nozzle
- spraying width
- spread out
- spread rate
- spreader bar
- spreading screw
- sprig bolt
- sprig driving
- spring
- spring beam
- spring board
- spring bolt
- spring gaiter
- spring hinge
- spring mattress
- spring set
- spring switch
- springing course
- sprinkler
- sprinkler head
- sprinkler pipe
- sprinkler system
- sprocket
- sprocket hole
- spruexi
- SPT spoon
- spud
- spudding pulley
- spun pipe
- spur post
- spur track
- spurline
- squad
- square
- square bond
- square bridge
- square file
- square footing
- square head
- square joint
- square meter
- square pitch
- square spade
- square staff
- square-edged
- square-headed
- squared
- squared rubble
- squaring
- spiral
- spiral chute
- spiral duct
- spiral reinforcement
- spiral stem
- spiral tunnel
- spire gablet
- spirit lacquer
- spirit level
- splashback
- splay
- splayed window
- splice
- splice number
- splice plate
- splicing
- splicing sleeve
- spline
- splined joint
- splined shaft
- splinter
- split
- split bar
- split beam
- split mold
- split washer
- splitter damper
- splitter island
- splitter wall
- splitting
- splitting ax
- splitting axe
- splitting test
- spoil bank
- spokeshave
- sponsor
- spooling cable
- spoon drain
- spoon loader
- sporadic development
- sports building
- sports hall