Job Description:

• 1) Tends tumble drums, screens, and balance scales to test hardness of baked taconite pellets: Reads schedule to obtain specifications, such as furnace from which pellets are to be drawn and time of withdrawal, and notifies sampling personnel to prepare sample pellets.

• 2) Pours sample over screen, and weighs screened pellets on balance scale.

• 3) Dumps pellets into drum, and starts drum rotating for specified number of turns.

• 4) Screens tumbled pellets, and weighs them to determine weight loss from tumbling.

• 5) Reads conversion chart to obtain hardness number.

• 6) Records hardness number of samples tested.

• 7) May clean work area, using broom, shovel, and water hose.