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.
Deck. The deck is the foundation of a pontoon boat and must be in excellent condition if you hope to have a long lifespan for your pontoon boat. Walk around the deck and check for sponginess that could be a sign of rot. Get under the pontoon boat with a flashlight and hunt for any indication that the wood foundation is weak.