Pipe organ.
"Air Conditioning uses the most electricity, followed by the refrigerator" completely wrong. Your hot water heater does
air conditioners
The appliance that typically uses the most electricity in an apartment is the air conditioning unit.
The most powerful air pistol would be a Air Force Talon-p 25 Caliber. This is a PCP class air pistol. The air tank uses 3000 PSI to fire the pistol.
A home's HVAC (heating, ventilation and air conditioning ) system uses the most energy. In cold climates heating is the worst consumer and in warm climates it's cooling
air
An air conditioner in a RV uses refrigerant to chill air passing over an evaporator coil. The most common refrigerant is Freon and is easily found in most autopart stores.
Paper (various types), Mulch, Power, Jewelry, Architecture, Art, and most importantly, AIR.
air is uses for breath. and water is uses for drink-ing, so people can live.So uses energy.
Air fittings are used for air compressors and pneumatic tools. Most contractors and mechanics use these types of tools but they can be used in household do-it-yourself projects as well.
To breath
planes use air and people breatyh air