Civil Engineering - Building Materials - Discussion

16. 

Ground glass

[A]. is made by grinding its one side
[B]. is made by melting powdered glass paints surface
[C]. is used for getting light without transparency
[D]. all the above.

Answer: Option D

Explanation:

No answer description available for this question.

Ravi said: (Mar 4, 2019)  
How C is correct? Please tell me.

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