1.

Tensile strength of leather belts should be about _______

A. 75 kg/cm<sup>2</sup>
B. 175 kg/cm<sup>2</sup>
C. 275 kg/cm<sup>2</sup>
D. 375 kg/cm<sup>2</sup>
Answer» C. 275 kg/cm<sup>2</sup>


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