Exfiltration Exfiltration means the removal of personnel or units from areas under enemy control by stealth, deception, surprise, or clandestine means.
Air filtration Air filtration is the removal of solid particulates (such as dust, pollen, mold and bacteria) from a vehicles cabin air by a filter placed in the
Ultra filtration Ultra filtration is a method for the removal of all but the very smallest particles, e.g., viruses, from a fluid medium.
Definition
[ n.]