Building Materials
The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as

Seasoning of stones
Blasting of stones
Dressing of stones
Quarrying of stones

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Building Materials
Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

A is true but R is false
Both A and R is true and R is correct explanation of A
Both A and R is true and R is not a correct explanation of A
A is false but R is true

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