____ are clays that have been subjected to high pressures, causing them to be relatively hard.
A. Shales
B. Surface clays
C. Fireclay
D. Terra-cottas
Answer: A
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A ____ is the distance between imprints of the two front legs or the two back legs.
A. step B. stride C. beat D. gait
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Use these for measuring angles.
a. gage blocks b. dial indicator c. protractor d. angle block
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A(n) ____________________ is a material or device that can serve as a conductor or an insulator.
Fill in the blank(s) with the appropriate word(s).
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Parallelism is the condition of a surface equidistant from a datum plane.
Answer the following statement true (T) or false (F)
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