SFM= - SUJNIA==
- SG
- SGC
- sheath
- sheathing extrusion
- sheets laying
- SHF
- shoe
- short chain branch
- short chain branching
- short copy
- short-circuited electrical motor
- SHP
- shroud
- shrouding bolt
- shut-off valve
- shutdown
- side stream filter
- sieve tray
- sight flow indicator
- sight-glass
- signal conditioner
- signal distributor block
- signal event message
- signal limiter block
- signal selector block
- signal setter block
- signal/noise
- SIH
- SIL
- silencer
- silme control agent tank
- silt
- SIMM
- simulation designation
- single action
- single seal
- single stage pump with overhung rotor type and centerline support type of pump casing
- single stage pump with overhung rotor type and foot support type of pump casing
- SIO
- siphon pipe
