Production. Copper (refining). Electrolytic tanks in a large copper refining operation. Sheets of pure copper are formed by… https://www.rawpixel.com/image/12304061/image-plant-person-factoryFree Image from public domain licenseProduction. Copper (refining). Sheets of copper produced by electrolysis at a large refining operation. These will be melted… https://www.rawpixel.com/image/12303813/image-shadow-plant-personFree Image from public domain licenseProduction. Copper (refining). Sheets of copper produced by electrolysis at a large refining operation. These will be melted… https://www.rawpixel.com/image/12302841/image-plant-person-skyFree Image from public domain licenseProduction. Copper (refining). Copper ingots on conveyors at a large copper refining operation. Large amounts of copper are… https://www.rawpixel.com/image/12302912/image-plant-person-factoryFree Image from public domain licenseProduction. Copper (refining). 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Large amounts of copper are… https://www.rawpixel.com/image/12308452/image-plant-road-factoryFree Image from public domain licenseLas Vegas, Nevada. Enormous asbestos mittens are worn by the worker handling the hot magnesium ingots produced at the Basic… https://www.rawpixel.com/image/12339720/image-plant-person-woodFree Image from public domain licenseProduction. Copper (refining). Sheets of copper produced by electrolysis at a large refining operation. These will be melted… https://www.rawpixel.com/image/12308870/image-plant-sky-roadFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Enormous asbestos mittens are worn by the worker handling the hot… https://www.rawpixel.com/image/12339796/image-face-plant-handFree Image from public domain licenseAluminum casting. 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These will be melted… https://www.rawpixel.com/image/12308425/image-face-plant-handFree Image from public domain licensePhelps Dodge refining company, El Paso, Texas. Casting copper ingots. Sourced from the Library of Congress. https://www.rawpixel.com/image/12295539/photo-image-person-sky-smokeFree Image from public domain licenseLas Vegas, Nevada. Stacks of magnesium ingots ready for war use by manufacturers of aircraft and tracer bullets, produced by… https://www.rawpixel.com/image/12298144/photo-image-plant-wood-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295777/photo-image-public-domain-factory-natureFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. 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Stacks of magnesium ingots ready for war use by manufacturers of… https://www.rawpixel.com/image/12297871/photo-image-plant-wood-roadFree Image from public domain licenseEl Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by electrolysis in large tanks in later… https://www.rawpixel.com/image/12296696/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by… https://www.rawpixel.com/image/12295778/photo-image-person-public-domain-factoryFree Image from public domain licenseEl Paso, Texas. Phelps Dodge refining company. Interior view of casting house where copper is cast into ingots. Sourced from… https://www.rawpixel.com/image/12296714/photo-image-dog-person-smokeFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by… https://www.rawpixel.com/image/12296971/photo-image-background-person-patternFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. Sourced from… https://www.rawpixel.com/image/12295533/photo-image-person-technology-public-domainFree Image from public domain licenseEl Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of pure copper are formed. The sheets are… https://www.rawpixel.com/image/12295418/photo-image-background-pattern-woodFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of… https://www.rawpixel.com/image/12296699/photo-image-person-public-domain-factoryFree Image from public domain licenseEl Paso. Texas, Phelps Dodge refining company. Electrolytic tanks holding sheets of pure copper that will later be melted… https://www.rawpixel.com/image/12295779/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295536/photo-image-person-smoke-public-domainFree Image from public domain licensePhelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been formed by electrolysis in huge tanks… https://www.rawpixel.com/image/12295795/photo-image-person-road-public-domainFree Image from public domain licensePhelps Dodge refining company, El Paso, Texas. Interior of plant showing copper ingots on conveyors. Sourced from the… https://www.rawpixel.com/image/12296692/photo-image-plant-person-public-domainFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of… https://www.rawpixel.com/image/12295515/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295786/photo-image-person-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295470/photo-image-person-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12296968/photo-image-person-technology-roadFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295783/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of… https://www.rawpixel.com/image/12295501/photo-image-people-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295465/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12296698/photo-image-wood-public-domain-factoryFree Image from public domain licenseEl Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of pure copper are formed. The sheets are… https://www.rawpixel.com/image/12296694/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by… https://www.rawpixel.com/image/12295790/photo-image-pattern-wood-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295532/photo-image-person-animal-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12295792/photo-image-person-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Casting copper ingots]. Sourced from… https://www.rawpixel.com/image/12296713/photo-image-person-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been… https://www.rawpixel.com/image/12296972/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of… https://www.rawpixel.com/image/12296693/photo-image-person-public-domain-womanFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Stacks of magnesium ingots ready for war use by manufacturers of… https://www.rawpixel.com/image/12297861/photo-image-plant-pattern-woodFree Image from public domain license