111. The hardest rock is
112. A heavy stone is suitable for
113. For obtaining vinyl chloride acetate, the method used, is
114. For testing compressive strength of cement, the size of cube used is
115. Snowcrete is one of the patent forms of
116. The softest rock is
117. The term frog means
118. Brittleness of cold is due to an excess of
119. The moisture content in a well seasoned timber is
120. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
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