The ribbon wire is usually silver wire. As mls said the solder is the source of tin. There’s gold in the laser array. As mls said though... these don’t pay out much. At least under the industrial scale. I usually pull the laser unit since they’re most often gold plate. And the IC. But I have a scrap pm buyer for that stuff. Rest o drop in a shred bin depending on the stamp on the case mold. Mg is magnesium, al is die cast aluminium. If it’s all steel it goes CBM. Mind though I don’t put any effort into it. If I strip a screw or the diode doesn’t pop right out the unit goes shred whole.
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