BS EN 12285-2:2005

Steel - An alloy made predominately of Iron combined with <2% carbon

water - A chemical substance. Chemical formula H2O.

Skin - The largest organ on a human. Its main purpose is to keep liquids inside the body.

Design - A drawing or styles that shows the look and functionality of something before its made.

Joints - The sections where one component is joined to another.

The British Standards Institution are a non profit making organisation, who produce standards and standard related services, for a variety of industries. The standards that they produce are used as a guideline or definition of the minimum levels certain services and product should reach. The standards are produced by BSI directly, following consultations and public enquiries. At shop.bsigroup.com, you can purchase a variety of standards. They stock documents for industries such as food and drink, engineering, building and construction, energy and utilities, transport and agriculture and farming. If you become a member of their site you can get huge discounts on their standards. They also offer training courses and conferences via their website, or you could take advantage of their online standards tools.