Optical glass meaning in hindi
Other : ऑप्टिकल ग्लास Ex:  Davy set him onto optical glass experiments
ऑष्टिकल ग्लास Ex:  Small optical glass that is placed in the eyebrow प्रकाशीय काँच प्रकाशीय कांच
ExamplesUsage of Optical glass in sentences
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