1.

The compressive strength of the brick should be:

A. Minimum 3.5 kN/m<sup>2</sup>
B. Maximum 3.5 kN/m<sup>2</sup>
C. Minimum 3.5 N/mm<sup>2</sup>
D. Maximum 3.5 N/mm<sup>2</sup>
Answer» D. Maximum 3.5 N/mm<sup>2</sup>


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