stan - stor
- stanchion support
- stand-by unit
- standard operating procedure
- standard price agreement
- standing
- staple glass fiber
- start number of the display record
- start point
- state enterprise
- state technical inspection
- status manipulation
- STC
- STC operation mode selection switch
- STDN
- steam
- steam boiler
- steam condensate cooler
- steam condensate drum
- steam condensate pump
- steam condenser
- steam desuperheater
- steam drum
- steam ejectors
- steam generation coil
- steam jet ejector
- steam superheater
- steam trace & insulation for drop leg
- steam trace for body
- steam trap
- steam vent condenser
- steamout
- steel core
- steel structure
- step attribute
- step sequence
- step sequence transition
- step with expanded comment
- STEPNO
- stiffening core
- Stm
