A professional who tends drum-tumbling machine that mixes ingredients, such as resins, color pigments, and additives, for use in fabrication of plastic cosmetic packaging. Respnsibilities include:

• Lines drum with plastic bag.
• Presses control to activate hopper that automatically fills drum with specified ingredients, or dumps measured ingredients into drum according to formula, using hand scoop and scale.
• Conveys filled drum to tumbling machine, using handtruck.
• Mounts and secures drum in holding device of machine, turns knob to set timing control, and presses button to actuate drum-tumbling action.
• Removes drum from machine at end of cycle and conveys drum to specified production machine, using handtruck.