Metal (or their alloys) with relatively low melting points. Such metals include zinc, cadmium, tin, antimony (here counted as a metal), lead, and bismuth, some of which are quite toxic. In Britain, the fine art trade uses the term "white metal" in auction catalogues to describe foreign silver items which do not carry British Assay Office marks, but which are nonetheless understood to be silver and are priced accordingly. A heavy metal is any relatively dense metal or metalloid. More specific definitions have been proposed, but none have obtained widespread acceptance. Some heavy metals have niche uses, or are notably toxic;
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