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ALOK TIWARI

· started a discussion

· 1 Months ago

aaaa (Question: 340279.0 )

amonia is right

Question:

In case of frosted GLS lamps, frosting is done by

Options:
A)

acid etching

B)

ammonia

C)

ozone

D)

salt water

Solution:

Ans:(a) In case of frosted GLS lamps, frosting is done by acid etching

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