Revision history of "User:PatKfw6519688"

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  • (cur | prev) 03:23, 18 November 2017PatKfw6519688 (talk | contribs). . (2,450 bytes) (+2,450). . (Created page with "Lens is actually a glass designed to either focus or disperse beams. Lenses are designed differently depending upon the intended usage. Lens for concentrating light rays conta...")