In article , Chris Bacon wrote:
I wouldn't like to drill into one of these brick height
lintels, they're a bit of cheap "wire rope" in a sludge
of (albeit carefully concocted) "concrete".
A little more than "cheap wire rope": a prestressed cable held under
a lot of tension while the concrete cures.
--
Tony Bryer SDA UK 'Software to build on'
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