23Nov90 UK: KELLER COLCRETE'S SINGLE BORE MULTIPLE ANCHOR SYSTEM IS SIMPLE BUT EFFECTIVE. (1 OF 2)

Every so often, an invention comes along which people will look at and ask the question: 'Why has no-one thought of it before?' But designing the obvious: harnessing innovation with simplicity and efficiency is the true mark of a mind with a fundamental understanding of a problem. This year's Research and Development award winner will probably generate such a reaction. But while others in the groundworks business might now be kicking themselves for not having come up with it first, ...