spik - stan
- spike
- spill out collection pit
- spill out pit pump
- spill out storage pit
- spill wall
- SPLIT
- split control signal distribution block
- spool piece
- spray nozzle
- spread footing
- spring hanger
- spring loaded ball valve
- spring safety valve
- spur line
- SQL
- SQRT
- square root block
- square root low-input cutoff value
- squared deviation action
- SR naphtha
