equa - face
- error in spacing measurement
- error method
- error of division
- erythrite
- escape hole
- escape steam
- escutcheon
- ESR process
- essential equipment
- Esso-Little process
- establish
- estimated output
- estimated usage
- etch cleaning
- etch cracks
- etch figure
- etch polish
- etchant
- etched
- etching
- etching blister
- etching effect
- etching of grain boundaries
- etching operation
- etching patterns
- etching pit
- etching reagent
- etching room
- etching treatment
- europium
- eutectic
- eutectic alloy
- eutectic arrest
- eutectic carbide
- eutectic decomposition
- eutectic freezing period
- eutectic grain
- eutectic graphite
- eutectic halt
- eutectic horizontal