Is cutting a mirror the same as glass, and why is using a lighter a good way to tell how old a mirror is?
Md Ariful Islam
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Dr. Md Rushad Rahman
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Yes, a mirror is just a piece of glass, but cutting it requires a first step. A mirror is reflective because of the silver color coating on one side. This requires you to first cut the coating with a razor blade exactly on the line where your glass cut is going to be. If you don't do this first, the coating will peel at your cut and ruin your mirror.
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