air cooling unit
41Twentieth Air Force — Infobox Military Unit unit name= Twentieth Air Force caption= Twentieth Air Force emblem dates= 20 June 1941 country= United States of America allegiance= branch= United States Air Force type= role= size= command structure=Air Force Space Command …
42Variable air volume — (VAV) is a technique for controlling the capacity of a heating, ventilating, and/or air conditioning (HVAC) system. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately convert|55|F supply air …
43Manned Maneuvering Unit — U.S. astronaut Bruce McCandless uses a manned maneuvering unit The Manned Maneuvering Unit (MMU) is an astronaut propulsion unit which was used by NASA on three space shuttle missions in 1984. The MMU allowed the astronauts to perform untethered… …
44Compressed air car — Tata/MDI OneCAT A compressed air car is a car that uses a motor powered by compressed air. The car can be powered solely by air, or combined (as in a hybrid electric vehicle) with gasoline, diesel, ethanol, or an electric plant with regenerative… …
45Forced-air gas — heating systems are used in central air heating/cooling systems for houses. Sometimes the system is referred to as Forced hot air . Generally, they have a furnace heated by natural gas that pushes hot air through duct work, then through vents to… …
46Extravehicular Mobility Unit — ██████████15  …
47Residential type central air conditioner — There are four basic parts to a residential central air conditioning system (1) a condensing unit, (2) a cooling coil, (3) ductwork, and (4) a control mechanism such as a thermostat. There are two basic configurations of residential central… …
48Forced-air — A Forced air or Warm air heating system is one which uses air as its heat transfer medium. These systems use ductwork and vents as a means of air distribution. The return plenum carries the air from several large return grills (vents) to a… …
49Compressed air — is air which is kept under a certain pressure, usually greater than that of the atmosphere. In Europe, 10 percent of all electricity used by industry is used to produce compressed air, amounting to 80 terawatt hours consumption per year.[1][2]… …
50AP 42 Compilation of Air Pollutant Emission Factors — The AP 42 Compilation of Air Pollutant Emission Factors, was first published by the U.S. Public Health Service in 1968. In 1972, it was revised and issued as the second edition by the U.S. Environmental Protection Agency (EPA). In 1985, the… …
