Brass patented a technique for the first industrial scale distillation of metallic zinc known as "distillation per descencum" or "the English process." This local zinc was used in speltering and allowed greater control over the zinc content of brass and the production of high-zinc copper alloys which would have been difficult or impossible to produce using cementation, for use in expensive objects such as scientific instruments, clocks, brass buttons and costume jewellery. However Champion continued to use the cheaper calamine cementation method to produce lower-zinc brass and the archaeological remains of bee-hive shaped cementation furnaces have been identified at his works
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,