active pressure - air distribution
- active pressure
- active reservoir capacity
- active residential solar heating system
- active residential solar heating unit
- active resistance
- active soil
- active solar cell
- active solar energy system
- active storage
- active storage capacity
- active surface
- active zone
- active zone of foundation bed
- active-layer glide
- activity
- activity analysis
- activity duration
- activity index
- activity network
- activity of cement
- activity of soil
- activity time
- activity unit
- actual
- actual acidity
- actual aggregate breaking strength
- actual amount
- actual area
- actual breaking strength
- actual capacity
- actual carrying capacity
- actual column
- actual construction time
- actual cost of construction
- actual curve
- actual damage
- actual data
- actual dimension
- actual displacement
- actual elevation
