| Forms into metallic waste |
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| Metal wastes |
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| Various metal wastes |
Universal |
30 Sep 2017 |
| Leftovers from smelting |
Universal |
25 Apr 2017 |
| Forms into metallic waste |
LA Times Daily |
15 Jan 2017 |
| Leftovers from smelting |
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| Forms into metallic waste |
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| Various metal wastes |
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| Smelting leftovers |
USA Today |
17 Feb 2016 |
| Smelting byproducts |
USA Today |
18 Jan 2016 |
| Smelting leftovers |
Universal |
09 Jan 2016 |
| Smelting leftovers |
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| Smelting byproducts |
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| Smelting leftovers |
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| Smelting byproducts |
Universal |
09 Aug 2015 |
| Smelting byproducts |
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| Converts into metallic waste |
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| Smelter wastes |
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| Steel impurities |
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| Becomes smelting waste |
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| Smeltery wastes |
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| Denigrates, in British slang |
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| Smelting residues |
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| Forms a residue when smelting ore |
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| Smelter wastes |
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| Smelting residues |
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| Smelting stuff |
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| Forms into metallic waste |
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| Metal wastes |
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| Cinder heaps |
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| Smelting byproducts |
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| Drosses |
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| Pittsburgh byproduct |
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| Steel impurities |
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| Smeltery leavings |
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| Smeltery wastes |
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| Smeltery remains |
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| Products of smelting |
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| Mine wastes. |
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| Smelting products. |
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| Forms into dross. |
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| Smeltery by-products. |
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| Forms into cinders. |
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| Cinders. |
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