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 metal with industrial music in the late 1980s Pigface, formed by Martin Atkins and including Ministry drummer Bill Rieflin, emerged as an industrial metal collective of sorts, participating with many figures from the noise rock and industrial worlds. Nine Inch Nails, the "one-man-band" formed by Trent Reznor, brought the genre to mainstream audiences with albums such as the Grammy-winning "Broken" and the best-selling "The Downward Spiral", accompanied by their groundbreaking performance at Woodstock '94. The rivethead subculture also developed at this time, along with the so-called "coldwave" subgenre, which encompassed Chemlab, 16 Volt, and Acumen Nation. Some electro-industrial groups adopted