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Of a heterogeneous material such as soil or a natural concrete aggregate, the percentage of clay by weight.

A fired-clay covering for underground electric cables.

A solid masonry unit made of clay, usually formed into a rectangular unit while in the plastic state and treated

A chimney constructed of clay or mud and sticks, and then coated on the interior with clay, mud, or plaster

A plastic mixture of clay and water to which animal hair is added to improve the mechanical strength of the

A carpenters hammer with a flat striking face; the other end of the head is curved, and divided into two