Scrap aluminium from foil or drinks cans can be melted down using a propane blowtorch. The metal has a melting point of 649 degrees Celsius (660 degrees Celsius), but ordinary propane blowtorches produce flames twice that temperature. Impurities such as paint form a scum called dross which is skimmed off.
Her Derdin Devası: Karbonatın Ağız Bakımından Kepek Önlemeye Kadar Binbir Çeşit Faydası
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