There is no standard air-con.

GPS standard for air-delivered weapons.

Standards for urban air quality

'89 Mercury Sable, standard air bag. Checker cab, no air bag. Who is dumb?

Air bag. Standard.

Air bag. Standard.

national ambient air quality Standard

Development of air safety standards

Audit of safeguarding air safety standards while procuring air services for the United Nations peacekeeping missions

Standards of accommodation for air travel