A professional who tends shaking screen and conveyor that screen coke to specified size and load it into bins. Respnsibilities include:

• Estimates amount of coke needed in bins.
• Starts conveyors and screens, and signals coke loader to unload contents.
• Turns handwheel to adjust vibration rate of screen.
• Lubricates screen eccentrics and conveyors, using grease gun and oilcan.
• Patches screens, and assists in changing vibrator coils and splicing belts, using handtools.
• Cleans walks and floors, using broom and shovel.