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4 February 2010
- 19:5219:52, 4 February 2010 diff hist +10 Wikipedia:Reference desk/Science →Right hand exposed to gel extraction's UV ray for 2 minutes non-stop.
- 19:5119:51, 4 February 2010 diff hist +321 Wikipedia:Reference desk/Science →Right hand exposed to gel extraction's UV ray for 2 minutes non-stop.: new section Tag: repeating characters