"John Schmitt" wrote in message
news
On Thu, 22 Sep 2005 20:36:35 +0100, Doctor Drivel
wrote:

Copper will diminish as more stainless steel cylinders, combi's, and
plastic
fittings are sold.

My God, you _are_ obtuse. About
70% of the copper the world produces goes
into wiring,

The point was relating to water systems, not other uses. I have seen
installation in 100% plastic pipe with stainless steel cylinders and stanles
steel heat exchanger boilers. There was No copper whatsoever, only steel
and brass.metals.