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The site search facility can be found in the top right hand corner of all web pages on this site.
To perform a search, enter one or more words in the search box and select 'go' (or press the 'enter' key on your keyboard).
As the search tool is insensitive to case, there is no need to use capital letters. Using words such as a, an, the or of will not improve the results of the search.
Any documents containing all your words will be displayed first, followed by documents that contain some of your words.
Each result will include:
Last updated 13 November 2015