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grater

A laborer who replaces grates on conveyors after roasted lead ore has been dumped into cars, using hooks. Lead ore is loaded on grates and conveyed through a furnace in which the sulfur is driven off by roasting prior to the ore being melted to separate and recover the lead in another furnace.

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Creador

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 puntos
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