This site is predominantly text based, if you - or someone you know - require specifically tailored browser software to read or hear the text then the following link may be of use:
Alternative browser tools
All text uses relative font sizes so text can be enlarged or reduced using the text size options available in visual browsers
How do I change the text size of my browser?
All pages use flexible page formats so pages can be automatically resized for different window sizes and screen resolutions
Other aspects of this site, configured for accessibility:
Tables have alternative descriptions for use in browsers for the partially sighted
All images have ALT descriptions for speech based browsers
Most navigation elements are plain text and we have provided text alternatives to graphics on the site.
Those with poor sight may be able to increase the size of the text on screen.