Bifurcated! I love that word!
You can cut the aluminum with an angle grinder (Use a vice, Gloves & goggles!)
The copper can then be easily driven out.
I usually set them across a couple of transformers (for support) and use a hammer and a big punch. Then I blast the copper slug out.
Then it turns into money!
Make sure you do this on a concrete floor and not on your workbench, if you can.








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