| Job Title |
Mixer Operator I |
| Job Description |
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. Meters Prescribed
Quantities Of Liquid Chemical Agents, Such As Nitroglycerin,
Wetting Agents, Catalysts, Or Solvents Into Machine. Starts
Mixer To Blend Ingredients For Specified Time Or Until
Prescribed Reaction Occurs. Tilts Mixer To Discharge Contents,
Moves Dump Lever, Or Shovels Materials Into Containers For
Storage, Shipment, Or Further Processing. May Compute Quantities
Of Chemical Agents Required For Batch Of Given Size, According
To Formula. May Tend Auxiliary Equipment Units, Such As
Dissolving Tanks, Oven, Or Vibrating Screens, To Prepare Or
Further Process Materials Before Or After Mixing. When Blending
Ingredients For Pyrotechnic Tracer Shells, Is Designated
Composition Mixer (chemical). 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 (chemical).
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