(A) 15% (X)
(B) 5% ()
(C) 10% (X)
(D) 20% (X)
Answers: A good building stone should not absorb water more than 5%.
(A) 15% (X)
(B) 5% ()
(C) 10% (X)
(D) 20% (X)
Answers: A good building stone should not absorb water more than 5%.
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