Metal Recycling Entrepreneur
You can tell the older finger cards by looking at the size of the fingers, the older fingers are (typically) larger than the newer ones.
Just like you can tell whether an elec motor is aluminum or copper by the size of the wires (an aluminum wound motor basically looks like a copper wound one with bloated wires)
Last edited by Bear; 07-03-2013 at 07:00 PM.
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