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more gold refining questions
an adaptation of the industrial mining process with dissolution in cyanide to large amounts of mater ...
10-1-2016 at 13:56
by: deewee
a Possible NEW Element!
There must be theoretical calculations showing some stability in very large atoms, today the chemica ...
10-1-2016 at 13:29
by: deewee
olfactory fatigue
Small concentrations also bring problems: headache, dizziness, fatigue, and irritation, besides the ...
10-1-2016 at 13:23
by: deewee

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