As part of a major reorganisation of the Chemistry section of Science Aid, in order to make it much easier for you to use:
scienceaid.co.uk / chemistry / industrial / blastfurnace.html
has been moved to...
Please use this address from now on, and make sure that any links from external sites are corrected, any incorrect links within the site are being corrected. Apologies for any inconvenience this may have caused.