ASICC - code 22
Structure
Hierarchy
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Section: 2 - Ores, minerals, mineral fuels, lubricants, gas & electricity
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Divsion: 22 - Ores(base metal), slag, ash
Sub-division
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221 - Iron ores & concentrates
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222 - Copper ores & concentrates
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223 - Aluminium ores & concentrates
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224 - Nickle ores & concentrates
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225 - Ash and all residues of base metals
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226 - Slags - all types
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227 - Ores of precious and semi-precious materials
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229 - Misc. ores & concentrates n.e.c.