On A/C units there is a sealed copper cylinder that is attached to the compressor, and on the refrigerators it is at the end of some of the tubing with a wire coming out of one end (on the fridge they are about 3/4 inch in diameter and about 4 inches long). They are mostly copper, but do have some steel in them as one end is slightly magnetic. I have kept these separate and was wondering if anyone has any special way they process theirs, and if not what does their yards consider them. I have taken my angle grinder and cut open the larger ones from the A/C units and separated the the steel end off, but the smaller ones from the fridge is a pain but definitely do not want to toss them in the mixed pile.
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