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.
Borax is natural, but that does not mean it is automatically safer for you or for 'the environment' than man-made chemicals. Although plants need boron, too much of it will kill them, so borax can be used as an herbicide. Borax may also be used as an insecticide to kill roaches, ants, and fleas.In fact, it is also toxic to people. Signs of chronic toxic exposure include red and peeling skin, seizures, and kidney failure. The estimated lethal dose (ingested) for adults is 15-20 grams; less than 5 grams can kill a child or pet.orax (also known as sodium borate decahydrate; sodium pyroborate; birax; sodium tetraborate decahydrate; sodium biborate) is a natural mineral compound (Na 2 B 4 O 7 â¢ 10H 2 O).