- sanitary bathhouse
- sanitary cabin
- sanitary faience
- sanitary inspection
- sanitary landfill
- sanitary sewer
- sanitary unit
- sanitary ware
- sap
- sappy wood
- sapwood
- sarcasm
- sarking
- sash
- sash counterweight
- sash door
- sash lift
- sash stile
- sashhardware
- satellite town
- saturable
- saturated felt
- saturated mixture
- saturated sample
- saturated soil
- saturation
- saturation line
- saturation method
- saturation point
- saturation tank
- satured soil
- savanna savanna
- saw buck
- saw hole
- saw log
- saw up
- saw-milling
- sawdust cement
- sawing
- sawmill
- sawn timber
- sawtooth
- Sayboll scale
- scaffold
- scaffold nail
- scaffold square
- scaffolding bearer
- scaffolding pole
- scalar field
- scale effect
- scale indication
- scale trap
- scan
- scandal
- scaphander
- scattered light
- scattering coefficient
- scavenging pump
- scenario step
- scenography
- schedule network
- schedule speed
- scheduled maintenance
- scheme arch
- scheming
- school architecture
- schoolyard
- science fiction
- scientific center
- Scissor junction
- scissors crossover
- scleronomous system
- scoop feeder
- score
- sand
- sand area
- sand ballast
- sand bed
- sand cement
- sand classifier
- sand concrete
- sand dike
- sand embankment
- sand extraction
- sand factor
- sand filter
- sand grout
- sand lines
- sand mass
- sand packing
- sand pump
- sand screen
- sand sluice
- sandblast
- sanded plaster
- sanding machine
- sanding-up
- sandstone
- sandwich
- sandwich panel