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U.S. Department of Labor
Industry: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who tends one or more equipment units, such as reaction tanks, bleach tanks, wash tanks, filters, dryers, furnaces, and mills to process pigments, such as titanium, barytes, bentonite, and iron oxide for use in products, such as paint, industrial coating, rubber, plastic, and ink. Respnsibilities include: * Pushes buttons on control panel and turns valves to start feed of raw materials, such as ore or scrap metal, into processing equipment. * Monitors gauges, dials, and recorders and adjusts equipment controls to maintain temperatures, pressures, and flow of materials according to specifications. * May perform chemical tests on product to ensure conformance with specifications, using standard test equipment and procedures.
Industry:Professional careers
A professional who tends machine that cuts strands of smokeless powder into grains of designated size to produce explosives having uniform ballistic properties. Respnsibilities include: * Changes gear ratio of machine-feed mechanism to cut grains to specified size. * Feeds flexible strands of colloidal powder through guide holes into cutter. * Starts flow of liquid coolant, such as alcohol or water, playing on cutting area to prevent outbreak of fire. * Empties fiber containers of cut powder into cart.
Industry:Professional careers
A professional who tends cutting and stamping equipment that cuts bars of soap from logs (long bars of soap) and embosses bars with firm name or trademark. Respnsibilities include: * Moves controls to regulate machine speed to maintain uniform movement of soap through plodder (bar-forming machine), cutting and stamping machines, and cooling tower. * Examines soap bars for clean-cut form and uniform color and stops equipment when bars are defective, unbolts plodder, and removes accumulated soap from plodder plate. * May rub bars under running water to test them for smoothness. * Sends sample bars to laboratory for moisture tests. * May tend press that presses bars into specified shape.
Industry:Professional careers
A professional who tends equipment that boils, agitates, bleaches, and cleans tallow. Respnsibilities include: * Turns valves to drain specified amount of tallow from storage tank into bleaching tank and to create vacuum inside tank when vacuum bleaching method is used. * Moves controls to heat tank with steam and maintain specified temperature. * Admits specified amount of carbon (ground charcoal) and diatomaceous earth into bleaching tank and starts agitator. * Draws sample from tank and pours it through filter paper, observing its color for conformance to specifications. * Adds tallow or diatomaceous earth to tank as required. * Opens valves to force tallow by steam pressure through filter press to remove foreign material and into storage tank.
Industry:Professional careers
A professional who tends revolving wire brush and hot die presses that remove brand from rubber footwear and rebrand footwear for sale under another vendor's name, using either of following methods. Respnsibilities include: * (1) Holds footwear with brand against wire brush and buffs off brand. * (2) Positions footwear on hot die press and presses pedal to lower ram and hot blanking die on brand to melt brand. * Positions debranded footwear on another hot die press equipped with rebranding die, places patch of uncured rubber over brand location on footwear, and depresses pedal to lower ram for preset time to vulcanize patch into brand.
Industry:Professional careers
A professional who tends mixing machine to prepare materials used in insulation jackets of rocket-engine chambers, and repairs defective jackets. Respnsibilities include: * Weighs out and pours specified quantities of chemical ingredients into mixing chamber of colloid mill. * Starts mill and moves controls to set automatic timer and maintain specified temperature of mixture. * Opens valves to transfer mixed ingredients from mill to storage tanks. * Examines and feels insulation jackets for defects, such as breaks and surface flaws. * Removes defects, using power grinder, and fills recesses with specified insulation material, using spatula or spray gun. * Buffs repaired area, using power buffer.
Industry:Professional careers
A professional who tends machine that cuts bales of crude rubber into pieces. Respnsibilities include: * Removes wired wooden wrapping or metal straps, using cutters. * Loads bale into machine bed, using electric hoist or pulls bale from chute, using hook. * Moves lever to release hydraulic ram that pushes bale through stationary knives. * May remove burlap covering from bales and truck them to machine. * May push bales onto bed of cutting machine. * May pull layers of smoked or crepe rubber apart, using hook.
Industry:Professional careers
A professional who tends equipment that screens soap powder and impregnates it with perfume. Respnsibilities include: * Adjusts chute slide to regulate flow of powder onto screens over hopper. * Adjusts scale tank to weigh out specified amount of perfume. * Turns valve to pump perfume through spray jets into powder hopper. * Observes level of powder flowing into hopper and diverts powder into drums if specified level is exceeded.
Industry:Professional careers
A professional who tends equipment that spreads and cuts glutinous material, such as glue and gelatin, into sheets for drying. Respnsibilities include: * Opens valve to allow glutinous material to spread onto conveyor belt or onto tray. * Starts conveyor belt to move material through chilling tunnel to congeal, or cuts off material, using knife, when tray is filled. * Turns on cooling system in chilling tunnel, observes thickness of congealed material, and regulates flow of material onto conveyor belt to ensure specified thickness. * Starts knives that cut congealed material into sheets of specified length and machine that deposits sheets onto drying frames. * Stacks drying frames or trays of glutinous material onto handtruck and pushes handtruck to drying compartments. * May tend equipment to dry glutinous material.
Industry:Professional careers
A professional who tends machine that forms air tubes from rubberized fabric for use in pneumatic airplane de-icers. Respnsibilities include: * Examines fabric over light for such defects as holes, tears, and fabric misweaves. * Cuts defects from rubberized fabric strip with scissors, and rewinds strip onto reel. * Threads specified reels of rubberized fabric and paper gum tape into machine. * Fills machine dispenser with powdered soapstone and adjusts machine for specified tube diameter, using handtools. * Starts machine that shapes and seals rubberized fabric into tubular form, dusts tubing with soapstone, and winds tubing on reel. * Carries loaded reel to storage rack.
Industry:Professional careers