A professional who operates hydraulic filter machine to remove foreign matter from plastics material. Respnsibilities include:

• Cuts plastics dough into slabs, using knife, or rolls material into lump and packs it into cylinder.
• Selects and installs wire and cloth strainers and die heads in machine, according to type and form of material, using handtools.
• Adjusts controls of hydraulic ram, according to pressure gauge reading, and starts machine to force material through strainers.
• Cleans strainers, die head, and machine cylinder, using brushes, scrapers, and solvents.
• Records amounts and type of dough strained.