A professional who tends press that removes water from nitrocellulose used in manufacturing smokeless powder and pyroxylin for use in plastics. Respnsibilities include:

• Pours specified amount of nitrocellulose into bottom cylinder of dehydrating press.
• Presses button or opens water valve to force plunger down onto bottom cylinder.
• Pumps alcohol into lower cylinder and through wet nitrocellulose to displace water.
• Removes cakes of water-free nitrocellulose and places them on handtruck for removal.