Job Description: 1) Tends machine that automatically makes adhesive bandages from cloth and plastic material: Positions specified rolls of materials on machine spindles and locks them in place with plates and setscrews to prevent unrolling. 2) Threads materials through rollers in prescribed sequence. 3) Starts machine that cuts materials to required length, affixes gauze to […]
ADHESIVE-BANDAGE-MACHINE OPERATOR Read More »
Job Description: 1) Operates machine to print addresses, code numbers, and similar information on items, such as envelopes, accounting forms, packages, and advertising literature: Positions plates, stencils, or tapes in machine magazine and places articles to be addressed into loading rack. 2) Starts machine that automatically feeds plates, stencils, or tapes through mechanism. 3) Adjusts
ADDRESSING-MACHINE OPERATOR Read More »
Job Description: 1) Assembles and installs acid-proof brick lining in metal tanks used for processing and storing of acid: Cleans inside of tank to remove foreign matter, such as rust, scale, and grease, using sandblasting equipment. 2) Removes dust from tank lining, using gasoline dampened cloth. 3) Applies specified coats of primer cement to lining
Job Description: 1) Tends batch still and polymerization vessel to distill and polymerize acrylic acid used in production of plastics: Tends laboratory-type batch still to vaporize and condense acrylic acid. 2) Measures amount of distillate, using burette or gauging rod, and pours distilled acid into water-jacketed polymerization vessel. 3) Heats vessel to prescribed temperature, and
ACID-POLYMERIZATION OPERATOR Read More »
Job Description: 1) Tends furnace, absorber, cooler, scrubber, and auxiliary equipment used in producing phosphoric acid by oxidation and hydration of elemental phosphorus: Patrols work area; observes water levels in scrubber, venturi-duct pan, and cooling-tower basin; and reads flowmeter and pressure gauges on phosphorus pump, fans, and blower to verify process conditions. 2) Records or
Job Description: 1) Tends equipment that filters acid liquor from slurry and dehydrates residual materials for further processing: Opens feed valves and starts rotary drum that filters liquor from slurry. 2) Turns valves to transfer residue to dehydration unit. 3) Adjusts controls to regulate temperature, pressure, and speed of material flow as specified to dry
Job Description: 1) Controls equipment, such as washers, rectifiers, acid pots, and mixing tanks arranged in series to recover tar acids from coal-tar oils: Starts pumps to circulate oil through equipment, and opens valves at various stages to treat oil with chemicals, carbon dioxide, and steam, according to specified instrument readings. 2) Performs routine tests
Job Description: 1) Starts conveyors and pushes incoming storage batteries onto conveyor leading to machine which inverts batteries over receiving tank to drain used forming acid or manually unloads batteries from forming trucks, inverts batteries, and places batteries on rack to drain. 2) Places drained batteries on conveyor leading to refilling station or on truck.
Job Description: 1) Adjusts specific gravity of electrolyte in battery cells or in plate-forming tanks to concentration specified: Ascertains temperature and specific gravity of solutions, using thermometer and hydrometer. 2) Turns valves or lever to drain acid or water into cells or tanks to adjust specific gravity of solutions. 3) Connects batteries to charging line
Job Description: 1) Tends generating equipment that processes calcium-carbide crystals and water into acetylene gas: Turns valves, level gauge, and thermostat to raise and heat water to prescribed level and temperature in generator. 2) Dumps specified quantity of calcium-carbide crystals into hopper, bolts in cover, and starts generator. 3) Opens hopper gate and starts vibrator
ACETYLENE-PLANT OPERATOR Read More »