Last modified on 2 May 2014, at 08:27

User:Aiviq

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tt-2 татарча/tatarçaуратача дәрәҗә.
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Picture of the day
Kobalt electrolytic and 1cm3 cube.jpg
Pure (99.9 %) cobalt chips, electrolytically refined, as well as a high purity (99.8 % = 2N8) 1 cm3 cobalt cube for comparison.