
11
A
Airlift
Aging: The change in physical properties of raw materials that are being
stored. They change slowly at room temperature and quicker at higher
temperatures.
AHD (Depth): Along hole depth or measured depth.
AHV (Subsea): Anchor handling vessel.
Air: Standard density of dry air, free of CO
2
at 0°C, is 1.292 g/L.
Air Blower: A device used to ventilate manholes and lift stations.
Air Can: Buoyancy device on a spar.
Air Changes: Expression of the amount of air movement or air leakage into
or out of a building in terms of the number of building volumes or room
volumes exchanged.
Air Conditioner: Assembly of equipment for the simultaneous con ...