Author Topic: Bitumen felt  (Read 808 times)

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on: May 18, 2017, 08:50:31 AM
Question: Bitumen felt

Options are:

A.     is used as water proofing material
B.     is used as damp proofing material
C.     is made from bitumen and hessian fibers
D.     all the above

Correct answer is:

D.     all the above