Structure, erected to hold wet cement in the form of a column, until the concrete has hardened.
Column reinforcement
To prevent lateral expansion of a column, reinforced steel can be added.
Column support
The column support supports a drill press column and provides mounting holes for mounting the column to the base.
Comb swirl
This textured wall finish can be used with plaster, concrete or stucco and is fashioned of random semi-circular swirls, which are done with the teeth of a hair comb.
Combed plywood
Plywood whose surface is given parallel grooves or scratches in the manufacturing process to provide increased bond to adhesives, mortar, plaster or stucco in addition to giving a grain impression for painting.
Combination
Combined wye, which is a Y-shaped plumbing fitting used where a branch line joins the main line at a 45-degree angle, with a 1/8 bend.
Combination blade
A popular power saw blade that can cut with the natural grain of the wood or across it with equal results. The large teeth on this blade cut quickly but leave a rough edge that must be finished later.
Combination chuck
The adjustable, clamp-like device, as on the end of a drill or lathe, by which the tool or work to be turned is held, the combination chuck has three jaws that move simultaneously to lock the item into place.
Combination door
A door with glass and screen panels that are interchangeable.
Combination faucet
Sink faucet in which both the hot and cold valves discharge into a single spout.
