A professional who feeds equipment that breaks up cakes of dehydrated nitrocellulose to facilitate subsequent mixing and packing processes. Respnsibilities include:

• Feeds nitrocellulose cakes into hopper of electrically powered cylinder fitted with spikes that break up cakes.
• Removes nitrocellulose for further processing and packing.
• May monitor scale to determine when specified amount of smokeless powder is expelled from machine into tub and to turn lever to stop machine.