Base metal Copper is also considered a base metal because it oxidizes relatively easily, although it does not react with HCl. In mining and economics, the term base metals refers to industrial non-ferrous metals excluding precious metals. These include copper, lead, nickel and zinc. The U.S. Customs and Border Protection is more inclusive in its definition. It includes, in addition to the four above, iron and steel, aluminium, tin, tungsten, molybdenum, tantalum, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium, rhenium and thallium, and their alloys. Zamak is an alloy used in casting (metalworking) which
Industrial metal industrial metal techniques in this period, including Skinny Puppy (on their "Rabies", co-produced by Jourgensen), and Front Line Assembly. British band Pitchshifter, formed in 1989 by brothers Jon and Mark Clayden, also started as an industrial metal band. The band later included elements of drum and bass. Frontman JS mentions: Industrial metal's popularity led a number of successful thrash metal groups, including Megadeth, Sepultura, and Anthrax, to request remixes by "industrial" artists. Some musicians emerging from the death metal scene, such as Fear Factory, Nailbomb, Autokrator and Meathook Seed, also began to experiment with industrial. Fear Factory, from Los Angeles,