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Glossary of Home/Building Structural Components

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The following terms define Building and Machine Parts

- N -

newel: large post at toot of stairs.

nag: wooden peg, pin, or block, especially one inserted into brickwork or between principal timbers of wall.

nonbearing wall: wall that supports no weight other than its own.

nosing: rounded edge of stair tread extending beyond riser.

notch: concave or V-shaped cut or indentation in edge or across surface.

nozzle: tube or vent used to expel fluid with force.