Building Materials
Bitumen felt

All listed here
Is used as water proofing material
Is made from bitumen and hessian fibres
Is used as damp proofing material

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Building Materials
Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.Reason R : Turpentine oil is costlier than other thinners.Select your answer according to the coding system given below:

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

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