A. Retaining wall
B. House wall
C. Every wall

View Answer
A. Retaining wall 


A heavy stone is useful for the construction of retaining walls. The stones used for building construction should be hard, durable, tough, and should be free from weathered soft patches of material, cracks, and other defects that are responsible for the reduction of strength and durability. Stones for construction purposes are obtained by quarrying from solid massive rocks.

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