active power filter filter

revoling leaf type filter + vacuum filter

a point of no return

a point of safe return

A Return of Order(and discipline) in Architectural Design

a return to cultural roots

a tax return

abnormal excess return

Abnormal return

abnormal return address

Absolute Return

Absorption of Mercury Atoms return

acceptable return

active balance return loss

Active return

active return loss

Actual Return

actual temperature of return water

Advanced Return Pin

Agriculture return