- sodding lane
- sofa
- soffit lining
- soft
- soft porcelain
- soft soils
- soft underlay
- softener
- softening capability
- soil absorption
- soil bulging
- soil classification
- soil compression
- soil consolidation
- soil creep
- soil deformation
- soil desalination
- soil extrusion
- soil flow
- soil freezing
- soil grouting
- soil mixer
- soil physics
- soil piercing
- soil plasticizing
- soil reinforcement
- soil salinity
- soil sensitivity
- soil set
- soil stabilization
- soil stack
- soil subsidence
- soil temperature
- soil test
- soil-asphalt
- Solar altitude
- solar plant
- solder
- soldered joint
- soldering
- sound insulation
- sound level
- sound power
- sound projector
- sound reduction
- sound reflection
- sound scattering
- sound wood
- sound-insulating
- sound-proof
- sounding balloon
- sounding rod
- soundness test
- soundproof
- soundproofing varnish
- source information
- souvenir
- spa bath
- space curve
- space formation
- space lattice
- space marking
- space position
- space shuttle
- space structures
- space vector
- spacer
- spacer bar
- spacing
- spacing factor
- spalling
- spalling reinforcement
- spalling stress
- span hinge
- span pipeline
- spandrel
- spandrel hanger
- spandrel wall
- spanner set
- spark detector
- spark point
- sparry limestone
- spatial coordinates
- spatial dismemberment
- spatial model
- spatial position
- spatter dash
- spay gun
- spay head
- spay pump
- spaying plant
- special characters
- special conditions
- special form
- special load
- special mathematics
- Special Risks
- specialized center
- specimen strength
- spectral convergence