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In ancient Roman construction, a water pipe of lead or earthenware.

Compressed soil that tends to fracture along a definite plane.

A metal bar whose ends are split and twisted; said to resemble the tail of a fish.

A bolt having a split end; embedded in concrete, or the like, for use as an anchor.

A wedge-shaped piece of wood used as part of the soffit form between tapered end pans in concrete joist construction.

A construction contract between an owner and a contractor in which the parties agree to carry out the terms of