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Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing.
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Notify maintenance engineers of equipment malfunctions.
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Add treating or neutralizing agents to products, and pump products through filters or centrifuges to remove impurities or to precipitate products.
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Estimate materials required for production and manufacturing of products.
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Control or operate equipment in which chemical changes or reactions take place during the processing of industrial or consumer products.
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Draw samples of products at specified stages so that analyses can be performed.
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Direct activities of workers assisting in control or verification of processes or in unloading of materials.
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Record operational data, such as temperatures, pressures, ingredients used, processing times, or test results.
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Observe and compare colors and consistencies of products to instrument readings and to laboratory and standard test results.
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Adjust controls to regulate temperature, pressure, feed, or flow of liquids or gases and times of prescribed reactions, according to knowledge of equipment and processes.
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Observe safety precautions to prevent fires or explosions.
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Read plant specifications to determine products, ingredients, or prescribed modifications of plant procedures.
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Dump or scoop prescribed solid, granular, or powdered materials into equipment.
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Inventory supplies received and consumed.
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Drain equipment, and pump water or other solutions through to flush and clean tanks or equipment.
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Open valves or start pumps, agitators, reactors, blowers, or automatic feed of materials.
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Implement appropriate industrial emergency response procedures.
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Monitor gauges, recording instruments, flowmeters, or products to ensure that specified conditions are maintained.
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Make minor repairs, lubricate, and maintain equipment, using hand tools.
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Measure, weigh, and mix chemical ingredients, according to specifications.
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Inspect equipment or units to detect leaks or malfunctions, shutting equipment down, if necessary.
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Patrol work areas to detect leaks or equipment malfunctions or to monitor operating conditions.
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Flush or clean equipment, using steam hoses or mechanical reamers.