The entrained concrete is used in lining walls and roofs for making.
choose from following options:

Question

A.

heat insulated

B.

sound insulated

C.

neither (a) nor (b)

D.

both (a) and (b).

Alex Al Yazouri · Answer

I would go with D. both (a) and (b).

Amr Gamal Anwar Hassan · Answer

I think it is D. both heat insulated and sound insulated

hatem labib · Answer

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مستخدم محذوف‎ · Answer

As members choose

Option D

Osama Abu Eltayf · Answer

Thank you for invitation

Perhaps the answer D .. both (a) and (b) ..

ahmed shehab · Answer

(D)..... ......... ....

Rasel Hossain · Answer

Increase concrete strength

Ayene Molla · Answer

The exact answer is A, because  mainly sound insulated using hollow concrete brick.