The compressor, the âheartâ of the carâs air conditioning system works like a pump taking refrigerant, (R-12 Freon in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator.
pontoon - (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge. barge, flatboat, hoy, lighter - a flatbottom boat for carrying heavy loads (especially on canals) boat - a small vessel for travel on water.
The 50â²sâ¦. The beginning of what is now known as the modern Pontoon boat was created by Ambrose Weeres in 1951. At that time, Weeres was asked by a friend to create a platform out of tubes and oil barrels that would float in water. His initial boat was basically a plywood sheet secured to 55-gallon steel drums.