Page issues. Municipal solid waste (MSW), commonly known as trash or garbage in the United States and as refuse or rubbish in Britain, is a waste type consisting of everyday items that are discarded by the public. Garbage can also refer specifically to food waste, as in a garbage disposal; the two are sometimes collected separately.
melting is what you do to a material that is metal, without flux. What you would do with pure PMs. Smelting is what is done to remove impurities from gold and reduce/oxidize other materials out. Since gold does not oxidize borax affects lighter elements that oxidize and rise to the surface.hat you would do with pure PMs. Smelting is what is done to remove impurities from gold and reduce/oxidize other materials out. Since gold does not oxidize borax affects lighter elements that oxidize and rise to the surface.
The most important boron compound is borax, which has been used in pottery glazes since the Middle Ages. Borax deposits were first found in Tibet, and borax was brought to Europe by the Arabs. It is still important in the ceramic industry.Borax combines with chromium, copper, manganese, cobalt, and nickel to form beautifully colored compounds. Borax beads were once used as a reagent in the detection of these elements.he most important boron compound is borax, which has been used in pottery glazes since the Middle Ages. Borax deposits were first found in Tibet, and borax was brought to Europe by the Arabs. It is still important in the ceramic industry.