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Metal extraction process in which an ore (usually mixed with purifying and/or heat generating substances such as limestone and coke) is heated at high temperature in an enclosed furnace. After a reducing reaction (see reduction), lighter ore-components (impurities called slag or tailing) rise to the top and float on the molten metal. Smelting is opposite of roasting which involves an oxidizing reaction (see oxidation).

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You must be very careful when you are smelting because lots of damage can be done to people or property in that process.
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While working in the machine shop, my dad helped me out with smelting, which was really hard, but really fun once I got the hang of it.
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The smelting occurred the Texas as that is the location of the metals and minerals that are used in our business processes.
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