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making coperas using copper sulfate (EWASTE RECYCLER) View | |
Steel Wool Copper II Sulfate, Propane torch demo (Mister Aylesworth) View | |
HOWTO MAKE FERROUS SULFATE / iron 2 sulfate PART 2 (JBSC) View | |
Cleaning Gold Precipitated From Dirty E-Waste Solutions (omegageek64) View | |
A must have for anybody wanting to refine precious metals (EWASTE RECYCLER) View | |
Philosophical Reactions #3: May Dew and Subterraneous Damps (Attoparsec) View | |
PEMURNIAN EMAS PAKAI HYDROQUINONE || OBAT PENCERAH KULIT (Metallurgy Addict) View | |
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