Brass Late Roman. Latten is a term for decorative borders and similar objects cut from sheet metal, whether of brass or bronze. Aquamaniles were typically made in brass in both the European and Islamic worlds. The cementation process continued to be used but literary sources from both Europe and the Islamic world seem to describe variants of a higher temperature liquid process which took place in open-topped crucibles. Islamic cementation seems to have used zinc oxide known as "tutiya" or tutty rather than zinc ores for brass-making, resulting in a metal with lower iron impurities. A number of Islamic writers and
Industrial metal with the success of groups such as Nine Inch Nails. The industrial metal movement began to fade in the latter half of the 1990s. Though electric guitars had been used by industrial artists since the early days of the genre, archetypal industrial groups such as Throbbing Gristle displayed a strong anti-rock stance. British post-punk band Killing Joke pioneered the crossing over between styles, and was an influence on major acts associated with industrial metal such as Ministry, Godflesh, and Nine Inch Nails. Another pioneer industrial rock group, Big Black, also impacted some later groups. By the late 1980s industrial and