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Make plastic printed circuits with a standard laser cutter
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Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?
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Extracting the blue dye in jeans
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How corrosion inhibitors protect metal: synthesis in the lab and testing
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Dr. Daniele Ganser: Welche Mächte stecken hinter dem Sturz von Baschar al-Assad?
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