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 have since patched things up and have even performed on stage together. Industrial metal suffered a critical backlash at the turn of the millennium. In an April 2000 review for the "Chicago Sun Times", Jim DeRogatis dismissed Nine Inch Nails' new music as a "generic brand of industrial thrash" and accused Ministry of repeating an act that "was old by 1992". Although "The Fragile" reached the top spot of the "Billboard" 200 and went on to earn double platinum status, DeRogatis considered it a "flop" nonetheless. Around this time, veteran industrial metal artists (Ministry, Godflesh, and White Zombie) began to