01
Regulate supplies of fuel and air, or control flow of electric current and water coolant to heat furnaces and adjust temperatures.
02
Draw smelted metal samples from furnaces or kettles for analysis, and calculate types and amounts of materials needed to ensure that materials meet specifications.
03
Weigh materials to be charged into furnaces, using scales.
04
Record production data, and maintain production logs.
05
Observe air and temperature gauges or metal color and fluidity, and turn fuel valves or adjust controls to maintain required temperatures.
06
Operate controls to move or discharge metal workpieces from furnaces.
07
Inspect furnaces and equipment to locate defects and wear.
08
Drain, transfer, or remove molten metal from furnaces, and place it into molds, using hoists, pumps, or ladles.
09
Prepare material to load into furnaces, including cleaning, crushing, or applying chemicals, by using crushing machines, shovels, rakes, or sprayers.
10
Remove impurities from the surface of molten metal, using strainers.
