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You can sort by hand, zinc ww are very hard, ring when stuck on something like the concrete slab, also will not bend or cut. Steel ww are often riveted, easy to spot. You can chuck it all in a smelting pot, keep the temps below 720deg & the non lead stuff floats to the top, skim & toss. FLux the reamining & pour into ingots.
SOme will separate stick-on from clip, the clip ww are harder.
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"Given adequate penetration, a larger diameter bullet will have an edge in wounding effectiveness. It will damage a blood vessel the smaller projectile barely misses. The larger permanent cavity may lead to faster blood loss. Although such an edge clearly exists, its significance cannot be quantified".
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