A professional who prepares asbestos, cotton, and synthetic fibers for use in manufacture of asbestos products, performing any combination of following duties. Respnsibilities include:

• Assembles asbestos, cotton, and synthetic fibers, according to instructions, into lots for blending.
• Feeds fibers into hopper or chute of duster, hammer mill, picker, or blending machine, using shovel or pitchfork.
• Opens or closes gates of blower pipes to direct fiber from blending machine into handtrucks and trucks fiber to storage area or production department.
• Fastens bags under spout of bin and trips lever to fill bags with fiber.
• May be designated according to task performed as blending-machine feeder; picker feeder; stock mixer.