"Stefek Zaba" wrote in message
...
Mike Clarke wrote:

The beam is not weaken any less by having a U shape.

The stress concentration factor for a sharp corner is _much_ greater
than a corner with a generous circular profile. How do you account for
the stress difference not affecting the strength?

He doesn't need to, Mike. He's IMM. Stress concentrations and crack
propagation don't happen in his world - talk of them is just a
conspiracy by the landowning classes from the snot universities.

Too true.

In his
material world, magickalmegnetickal descalers work,

And that they do. He continues...

hacksaws cut without
burrs,

They do? Show me one please. He goes on....

and for all I know little fairies run to hold together composite
beams whenever their altheometers detect a cr*ck starting to spr**d.

You now see faires?

In the dull ol' world the rest of us live in, portholes are round rather
than square...

This thread is also about the NHS, they have some very good professional
services. Use them.