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William Sommerwerck William Sommerwerck is offline
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Default the importance of truly clean contacts

I used to see drum type TV tuners that had been cleaned with Brasso.
They were nice shiny brass, after the silver plating was removed by the
Brasso. They worked great for about two weeks. Then they had to buy a
new tuner.

Reminds me of travelling "dentists" applying acid to people's teeth to
whiten them. Not long after, the teeth rotted away.