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How long does it take to get answer back about a materiel i found?

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asked Jan 10, 2018 by Nema007 (180 points)

1 Answer

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There is no photo, no description, no data like magnetic, heavy for its size, I tried to scratch it with a piece of quartz and the quartz could not mark it. Neither could the file. Light does not pass through it. That's what we need Nema..
answered Jan 11, 2018 by Weasel (58,360 points)