A professional who performs any combination of following tasks in chemical manufacturing establishment. Respnsibilities include:

• Fills or empties equipment and containers by pumping, opening valves, scooping, dumping, scraping, or shoveling liquid, gaseous, or solid materials.
• Weighs materials and writes or stencils identifying information on containers.
• Fastens caps or covers on container, or screws bungs in place.
• Transports materials, using handtruck.
• Cleans stills and other equipment, using detergents, brushes, or scrapers.
• Loads railroad cars or trucks.
• Delivers samples to laboratory.
• Cleans work areas.
• Prepares materials by pulverizing, milling, crushing, or liquefying.
• Paints containers, using spray gun.
• May be known according to task performed as Carboy Filler; Drum Filler; Kettle-Room Helper; Shipping Hand; Wheeler.