Sand casting greater cost. With a completed mold at the appropriate moisture content, the box containing the sand mold is then positioned for filling with molten metal—typically iron, steel, bronze, brass, aluminium, magnesium alloys, or various pot metal alloys, which often include lead, tin, and zinc. After being filled with liquid metal the box is set aside until the metal is sufficiently cool to be strong. The sand is then removed, revealing a rough casting that, in the case of iron or steel, may still be glowing red. In the case of metals that are significantly heavier than the casting sand, such
Industrial metal repudiate the industrial label. Sales remained high throughout 2000–2005; at least 10 million records were sold during that time frame. Many groups began to take influence from hip hop and electronic music, in addition to industrial metal. As a result, acts like Powerman 5000 are often described as industrial metal as well as nu metal. Several industrial metal groups have produced eye-catching videos. These include Godflesh's collaboration with Andres Serrano, Aidan Hughes's graphics for KMFDM, Nine Inch Nails' work with Mark Romanek, Rob Zombie's visual work for White Zombie (for which he received the MTV Video Music Award for Best