On 2008-03-31 16:39:08 +0100, Andy Dingley said:

On 31 Mar, 14:41, Andy Hall wrote:

As you say, to research that properly and to form an opinion would
require a trip to the unversity library and quite a few hours of
research and maths.

You can't afford Encyc. CPD (two dozen volumes, hundred quid each) and
you won't find a copy of Glor as it's OOP and scarce. Luttgens'
"Electrostatic Hazards" is the only one that's even vaguely
affordable. That's also a bit qualitative, not quantitative, so I
doubt you'd be convinced by it anywayy

Exactly, so cutting it short and taking the pragmatic approach of using
metal duct is the thing to do, for other reasons as well.