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The weight of the materials, excluding water, used to make a batch of concrete.

A covered area, below grade, be-tween a basement wall and a retaining wall beyond it; its function is to keep

A piece of wood that has lost its strength and become brittle.

A round tower whose diameter is greater than its height.

1. One of the cylinders of stone which form a column. 2. A round or polygonal wall below a dome,