File talk:Méthamphétamine pure.jpg

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The ruler used for scale in this picture isn't very helpful as no unit is given. Are these inches or cm? It would be helpful if either someone could take a new picture including the unit, or if the original poster could supply the information in a caption. 87.193.177.42 (talk) 03:47, 5 December 2010 (UTC)[reply]

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