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CODE: 513.682-010Buy the DOT:Download/CD-ROM
TITLE(s): ROTARY-KILN OPERATOR (smelt. & refin.)

Operates rotary kiln in which cinnabar (mercuric sulfide ore) is volatilized to obtain free mercury: Ignites oil burner and turns fuel and air pressure valves to heat kiln to specified temperature. Sets controls to regulate conveyor speed and rotation of kiln. Observes gauges and flow of ore into kiln and turns controls to maintain temperature and amount of ore in kiln. Lubricates and repairs kiln and equipment.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77
ONET CROSSWALK: 92923 Furnace, Kiln, Oven, Drier, or Kettle Operators and Tenders