<AREA SHAPE=RECT COORDS="3,204,16,216" HREF="!Workers turn off the power to the electrodes at the end of the refining process. Then they tilt the furnace, which is mounted on rockers, to pour out the slag.">
<AREA SHAPE=RECT COORDS="323,202,337,217" HREF="!After the slag has been poured off, the electric arc furnace is tilted in the opposite direction. The liquid steel rushes out through the taphole and is collected in a ladle.">
These diagrams show steel being made in an electric arc furnace, the most widely used type of electric steelmaking furnace. The roof of an electric arc furnace has holes through which three carbon rods called <I>electrodes</I> are inserted to conduct electricity to the charge.<NP>
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World Book illustrations by Oxford Illustrators Limited</P>
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