- shovel handle
- shovel loader
- shoveling
- show index
- show room
- showcase
- shower screen
- shriek
- shrinkage strain
- shrinkage test
- shriveling
- shunting tractor
- shut
- shutdown maintenance
- shutter dam
- shuttering form
- shuttering strut
- sickness benefit
- side band
- side borrow
- side channel
- side chapel
- side closure
- side crack
- side cut
- side cutter
- side elevation
- side post
- side skidding
- side station
- side tenon
- side track
- side valve
- side view
- side wall
- side weir
- sidewalk
- sidewalk light
- sideway reach
- sieve
- sieve cylinder
- single sheetpiling
- single sideband
- single stress
- single transom
- single window
- single word
- single-band
- single-beam
- single-cantilever
- single-column
- single-frame
- single-lane
- single-leaf
- single-pitch
- single-sash
- single-slope
- single-stage
- single-track
- sink
- sinker
- sinking
- sinking equipment
- sinking machine
- sinking soil
- sidehill cut
- siderurhy
- sidewalk escalator
- sidewalk width
- sideway
- siding
- sidings
- sienna
- Sieve Analysis
- sieve number
- sieve residue
- sieve test
- sigh
- sighting target
- sighting telescope
- sigmoid
- sign gantry
- sign support
- sign-post
- signage
- signal
- signal book
- signal generator
- signal indicator
- signboard
- silencer
- silhouette
- silica brick
- silica content
- silica gel
- silica glass
- silica sandstone
- silicate
- silicate cotton
- silicate disintegration