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Mohan K
's Polls
Technology
What are three types of lasers?
Gas, metal vapor, rock
2 votes (40%)
Gas, metal vapor, rock
Pointer, diode, CD
1 vote (20%)
Pointer, diode, CD
Gas, solid state, diode
2 votes (40%)
Gas, solid state, diode
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5 votes
| 77 views
(200 symbols max)
Wolmal
(256 symbols max)
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