12/30257321 DC

DC - Direct Current

water - A chemical substance. Chemical formula H2O.

Physical - Used to describe strength or visual properties of an item

Human - A highly developed and adapted mamal and deminant species on earth

Size - is the measurement of how big an object is in space.

Treatment - A way in which medics care for patients illnesses. A manner which someone behaves to someone else.

Composition - A way in which something is made up.

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.