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Old July 9, 2013, 10:56 AM   #6
Senior Member
Join Date: September 27, 2004
Posts: 4,425
Don't use "sandpaper" to clean contacts. Its way way too abrasive & will rip any plating off in a heartbeat!
An ink eraser on a ballpoint pen is as harsh as you'll ever want to go. Also a thin smear of petroleum jelly (Vaselene) will protect previously damaged contacts while allowing electricity from the battery to pass through.
Allan Quatermain: “Automatic rifles. Who in God's name has automatic rifles”?

Elderly Hunter: “That's dashed unsporting. Probably Belgium.”
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