"bal - agen
- across the grain
- ACSR
- act
- actinide metals
- actinium
- action constant
- action of blast
- action of force
- action of rust
- activated bath
- activated cyaniding
- activated diffusion
- activated sintering
- activating effect
- activating treatment
- activation
- activation control
- activation dipping
- activation energy
- activation energy of divacancies migration
- activation method
- activation polarization
- activation stress
- activation time
- activation volume
- active
- active corrosion
- active crushing member
- active feeder
- active metal
- active mixer
- active nucleus
- active potential
- active rolls gap
- active slip system
- active surface area
- active transport
- active weight
- activity
- activity solubility product