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
What the Industrial Revolution Did for Us What the Industrial Revolution Did for Us What the Industrial Revolution Did for Us is a BBC documentary series produced in conjunction with the Open University that examines the impact of the Industrial Revolution on modern society. It was originally broadcast on BBC Two from 7 October to 11 November 2003. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the modern material world. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the features of modern working life. Cruickshank travels around Britain to introduce the