I pick off the little contacts too.
The Silver also probably contains cadinium(sp?) metal aswell, so don't inhale the fumes.....
Don't forget micro switches as well. They also have solid Silver contacts as well as the Silver/Copper contacts. The sort of switch they use in microwave doors and such.
Very small relays, and high quality relays often have Gold plated Silver contacts, or just solid Gold bars as contacts.
Check out the switches on tape decks and CD players, the 'open air, two strips of copper coloured metal molded into a small black plastic lump with two wires soldered to the strips' sort.
And heater thermostats....and washing machine water level switches. Euro whiteware has better quality switches too.
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