perf - plat
- perfluorinated (perfluorinated carbon gases)
- perfluorinated (perfluorinated carbon gases)
- performance specification
- periodic system
- peripheral joints
- petroleum coke
- piercer/punch
- pig-ingot (jar.) / standard ingot (pig of 20-30 kg)
- pig-ingot (jar.) / standard ingot (pig of 20-30 kg)
- pig-ingot (jar.) / standard ingot (pig of 20-30 kg)
- pig-ingot (jar.) / standard ingot (pig of 20-30 kg)
- pile
- pilot section
- pilot/experimental potroom
- pinch
- pioneering project