Metal-Refining Furnace Operators and Tenders - Careers.Org Occupation Profile
voir la vidéoOperate or tend furnaces, such as gas, oil, coal, electric-arc or electric induction, open-hearth, or oxygen furnaces, to melt and refine metal before casting or to produce specified types of steel. [ go to Youtube.com ]
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      :  22/10/08 17:05
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