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Any of the hard, thin plates that cover fish and certain reptiles. A series of musical notes that go higher and higher or lower and lower. An instrument for measuring weight. The way size on a map or model compares with the size of the thing it stands for. A series of steps, degrees, or stages. To climb or climb over.
A very small amount. A mark or sign left behind by someone or something. To follow the trail or tracks of; to locate. To copy by following the lines of a drawing through thin paper.
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