powd - proc
- preheat
- preheat control
- preheat cycle
- preheat furnace
- preheat pressure time
- preheat temperature
- preheat time
- preheated forehearth
- preheating
- preheating allowance
- preheating current
- preheating flame hole
- preheating force
- preheating furnace
- preheating gas
- preheating oxygen
- preheating period
- preheating pressure
- preheating pressure time
- preheating temperature
- preheating time
- preheating travel
- preheating zone
- preignition
- preinfiltrated iron-copper powder
- preleader pass
- preliminary alloy
- preliminary crusher
- preliminary drawing
- preliminary shaping
- preliminary slag formation
- preliminary washing drum
- preliminary-preparatory impression
- premelting
- premixer
- premixing
- preparability
- preparation
- preparation concentrate
- preparation cost