1.

Heavy mortars have a bulk density equal to greater than _________

A. 500 kg/m<sup>3</sup>
B. 1000 kg/m<sup>3</sup>
C. 1500 kg/m<sup>3</sup>
D. 2500 kg/m<sup>3</sup>
Answer» D. 2500 kg/m<sup>3</sup>


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