A professional who tends machine that casts plastic containers. Respnsibilities include:

• Fills tubs with prescribed amounts of colored thermoplastic powder and zinc compound, using scoop and scale.
• Positions tubs containing mixture to facilitate loading of molds.
• Fills molds with specified amount of mixture, closes mold covers, and depresses toggle latches to lock covers in place.
• Presses buttons to start centrifugal-casting machine that automatically heats, spreads, hardens, and shapes mixture into plastic molds to form refuse containers.
• Pulls toggle latches to release mold covers and removes covers.
• Breaks seals that hold plastic containers in molds and removes containers from molds, using handtool.
• Wipes moisture from inside of molds, using cloth rag.
• Trims flashing (excess plastic) from containers, using utility knife.