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Job Description:

  • 1) Controls mixing machine and auxiliary equipment to blend ingredients for explosives, such as dynamite, smokeless powder, and solid-propellant rocket fuel: Weighs out and charges specified quantities of solid materials into mixer, or feeds preweighed materials into mixing chamber.

  • 2) Meters prescribed quantities of liquid chemical agents, such as nitroglycerin, wetting agents, catalysts, or solvents into machine.

  • 3) Starts mixer to blend ingredients for specified time or until prescribed reaction occurs.

  • 4) Tilts mixer to discharge contents, moves dump lever, or shovels materials into containers for storage, shipment, or further processing.

  • 5) May compute quantities of chemical agents required for batch of given size, according to formula.

  • 6) May tend auxiliary equipment units, such as dissolving tanks, oven, or vibrating screens, to prepare or further process materials before or after mixing.

  • 7) When blending ingredients for pyrotechnic tracer shells, is designated Composition Mixer.

  • 8) When mixing nitroglycerin and dry ingredients to produce dynamite, regulating mixer speed and ingredients according to grade and type of dynamite specified, is designated Dope Mixer.




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End Of Job Description for: "MIXER OPERATOR I"
DOT:   550.382-018

Job Number: 6555