On 20/09/2007 08:46, wrote:

(btw I recommend Lafarge's concrete application guide http://www.lafargecement.co.uk/)

Thanks, but yuck, their web site thinks it's oh-so-clever with more
nested levels of frames and tables than Dante's infermo, makes
bookmarking difficult, but this gets you closer

http://www.lafargecement.co.uk/home_...v_applications