File:Inco flash smelting furnace.png
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current | 21:35, 21 December 2022 | ![]() | 833 × 480 (109 KB) | Borvan53 | Uploaded a work by United States Environmental Protection Agency from [https://nepis.epa.gov/Exe/ZyPDF.cgi/2000X8PS.PDF?Dockey=2000X8PS.PDF Background Information For New Source Performance Standards Primary Copper, Zinc, and Lead Smelters, Vol 1, Proposed Standards] with UploadWizard |
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