Bronze and brass ornamental work a smaller or greater amount of zinc. In early times this metal seems to have been sparingly employed, but from the Middle Ages onward the industry in brass was a very important one, carried out on a vast scale and applied in widely different directions. The term "latten", which is frequently met with in old documents, is rather loosely employed, and is sometimes used for objects made of bronze; its true application is to the alloy we call brass. In Europe its use for artistic purposes centered largely in the region of the Meuse valley in south-east Belgium, together with
Industrial metal Industrial metal Industrial metal (also known as industro-metal, industrial–metal, metallic industrial, cyber-metal etc.) is the fusion of heavy metal music and industrial music, typically employing repeating metal guitar riffs, sampling, synthesizer or sequencer lines, and distorted vocals. Prominent industrial metal acts include Ministry, Godflesh, KMFDM and Nine Inch Nails. Industrial metal developed in the late 1980s, as industrial and metal began to fuse into a common genre. In the early years of the 21st century, groups from the black metal scene began to incorporate elements of industrial music. Industrial metal did well in the early 1990s, particularly in North America,