Off-topic (well, only a little)

[Rene Schmitz]

At 09:34 11.06.99 +0200, you wrote:

>Now, some of these contacts are not made of copper but (I think) 
>iron or aluminium (does that conduct electricity by the way?). See, 
>in the rear there are these big plastic light elements that contain 
>large silver-colored traces. You have to snap the lamps into those 
>elements. These traces and their connectors are the ones that get 
>a little corroded. Does anyone of you know how to keep these 
>things permanently clean?

Here two different metals meet, this together with moisture forms a
chemical cell (battery). Well actually a shorted cell, thats why these
corrode so fast. 
The cure is to use the same metals on both sides, or to avoid moisture (the
oils mentioned).

René


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