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Home D I Y Definitions and Factoids

Home Improvement Definitions 4

Combustion chamber

- The part of a boiler, furnace or woodstove where the burn occurs; normally lined with firebrick or molded or sprayed insulation.

 

Compression web

- A member of a truss system which connects the bottom and top chords and which provides downward support.

 

Compressor

- A mechanical device that pressurizes a gas in order to turn it into a liquid, thereby allowing heat to be removed or added. A compressor is the main component of conventional heat pumps and air conditioners. In an air conditioning system, the compressor normally sits outside and has a large fan (to remove heat).

 

Concrete

- The mixture of Portland cement, sand, gravel, and water. Used to make garage and basement floors, sidewalks, patios, foundation walls, etc. It is commonly reinforced with steel rods (rebar) or wire screening (mesh).

 

 

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