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 collaborations with and remixes from industrial metal musicians. When industrial metal climbed the charts of the late 1990s, its sudden popularity was met with negative reactions from the early innovators of industrial music. Peter Christopherson told "The Wire" that he no longer felt any kinship with the industrial scene: "this is not me, this is not what I'm about". Lustmord, a prominent early industrial musician, declared that "Ministry just doesn't interest [him]" and "[he has] no time for all this rock and roll shit they're doing now." Skinny Puppy frontman Nivek Ogre dismissed Nine Inch Nails as "cock rock" but