A professional who dumps nitrocellulose into trough for transfer to explosives-manufacturing equipment. Responsibilities include:

• Rolls barrels of nitrocellulose from railroad car to dumping room over wooden rails.
• Removes lock rims and lids of barrels, using handtools.
• Upturns barrels over water jet in trough and strikes bottom with rubber mallet to loosen contents.
• May pump slurry to agitating and blending tubs.