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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 screens dynamite sweepings and broken cartridge shells to reclaim usable dynamite. Respnsibilities include: * Shovels floor sweepings and broken shells from powder buggy onto brass screen, using wooden shovel. * Picks out foreign matter, such as paper and wood splinters, sifts explosive material from broken or malformed cartridges, and discards debris. * Rubs dynamite through screen, using gloved hand. * Shovels or dumps reclaimed dynamite into powder buggy for reprocessing.
Industry:Professional careers
A professional who sets up and operates machines to sharpen ledger (straightedge) and fly (spiral) blades of cloth-shearing machines. Respnsibilities include: * Removes blades from shearing machine, using chain hoist. * Mounts and squares ledger blade in jig of grinding machine, using straightedge and level. * Turns handwheels to set blade at specified angle and to position grinding stone against blade. * Starts machine that automatically moves rotating abrasive stone along edge of ledger blade. * Measures blade edge, using micrometer, to determine when thickness is within specified tolerances. * Resets machine to grind undercut on ledger blade. * Mounts spiral blade in brackets of grinding machine. * Turns various wheels to set both ends of blade equidistant from grinding head. * Starts machine that rotates abrasive stone and fly blade in opposite directions and moves stone along edge of blade, grinding blade until flaws are removed. * Measures diameter of blade with calipers at intervals along surface of blade to detect uneven grinding. * Replaces damaged spirals on fly blade, using handtools. * Mounts fly blade and ledger blade on lapping rig and starts machine that grinds blades against each other, using emery powder and oil, to finish edges. * Boils blades in chemical solution to remove oil and abrasive dust. * Applies preservative oil to blades.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in machining and assembling electric motors, generators, and control and switch gear apparatus. Respnsibilities include: * Directs placement of parts, such as stator core, rotor core, field yoke, or panelboard on machining or assembly floor to coordinate machine operation and assembly. * Inspects machined parts and assembled units for conformance to specifications, using micrometers and other measuring instruments. * May supervise workers engaged only in assembling or in machining electric motors, generators, and control and switch gear apparatus. * Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who controls caustic-wash purification units to remove chemical inhibitors from butadiene and styrene monomers to prevent spontaneous polymerization during storage and transit. Respnsibilities include: * Starts pumps and injectors to recycle caustic solution through wash tank and mix liquid monomer with caustic solution. * Reads gauges and laboratory analysis reports and adjusts controls to regulate mixing and separating of purified monomer and caustic solution containing inhibitor, according to plant standard. * Drains caustic solution from wash tank and piping system and pumps cleaning solution through system to remove impurities.
Industry:Professional careers
A professional who installs and operates portable field transmission equipment to broadcast programs or events originating at points distant from studio. Responsibilities include: * Determines availability of telephone wire facilities for use in making connections between microphones, amplifier, telephone line, and auxiliary power supply to relay broadcast to master control. * Sets up, tests, and operates microwave transmitter to broadcast program in absence of telephone wire system. * Conducts broadcast from field. * Must be licensed by Federal Communications Commission. * May perform duties of recording engineer ; announcer . * May be designated Microwave Engineer when restricted to operating microwave transmitter.
Industry:Professional careers
A professional who repairs mechanical portion of railway-track switches. Respnsibilities include: * Sweeps dirt from switch with broom, and oils parts. * Examines switches for worn or broken parts. * Adjusts mechanical parts of pull-chain switches, using handtools. * Replaces defective parts, using handtools. * May work as member of emergency work crew.
Industry:Professional careers
A professional who sets up and operates rolling machine to straighten, knurl, or form contours in surfaces of metal cylinders and rings as specified by blueprints, templates, and work orders. Respnsibilities include: * Selects male and female rolling dies or rolling dies and forming chuck from data charts to form specified contour. * Positions, aligns, and bolts dies or die and forming chuck onto parallel spindles of machine. * Positions workpiece over inner dies or forming chuck. * Positions and clamps end guides or clamps workpiece to forming chuck. * Starts machine to activate inner drive roll or chuck. * Moves lever to press outer roll on workpiece to shape workpiece to specified contour. * Verifies contour, using rule or template. * May operate machine equipped with vertical table to tilt and force workpiece at angle to plane of opposing rolls to expand outer edge or form flanges to specified shape. * May operate machine equipped with multiple sets of opposing rolls which expand and shrink diameter of workpiece to form contours. * May move lever to position slitting knife to trim edge of workpiece. * May be designated according to type of rolling machine operated as Beading-Machine Operator I; Forming-Roll Operator, Heavy Duty.
Industry:Professional careers
A professional who sets up and operates slitting machine to cut sheet metal into strips of specified widths. Respnsibilities include: * Selects, cleans, and installs spacers and cutters on arbors, and hones cutters with oilstone to remove nicks. * Presses button to lower arbor until cutters mesh, and measures clearance with feeler gauge. * Inserts spacers to adjust spacing to specified tolerance. * Signals overhead crane operator to lift metal roll to play-out reel or places roll on reel, using overhead chain hoist. * Threads sheeting through slitter and verifies dimensions of cut to specifications, using rule. * Secures strips on recoiler, adjusts guides and roller tension with handcrank, and starts machine. * Observes slitting and rewinding operation and examines cut strips for flatness, holes, burrs on edges, and surface defects. * May oil and clean machine. * May feed sheet metal between rotating shear rolls. * May install rubber sleeves over spacers to provide gripping surface for rollers and to facilitate movement of material being slit. * May operate panel to control specific units of equipment, such as feeder unit.
Industry:Professional careers
A professional who sets up and operates hot or cold rolling mill to reduce or form nonferrous metal into plate, sheet, foil, flatwire, and rod of specified dimensions. Respnsibilities include: * Adjusts rollers, buffs, and guides according to size and dimensions of workpiece, using screwdowns, micrometer, steel tape, and handtools. * Turns valves and observes gauges to regulate flow, temperature, and solution of roll lubricants and metal coolants. * Starts entry or rolloff tables that feed metal to and from rolls. * Threads sheet or rod through rolls for further reduction, or signals rolling-mill-operator helper to feed separate sheets or rods through rolls. * Controls speed of rolling mill and roll tables to synchronize flow of metal with tandem operations, using signals or communications system. * Measures width and gauge of rolled metal, using linear tape and depth gauge and adjusts rolls to form metal to specifications. * Observes rolling operation to detect curling, splitting, or buckling of metal. * May change rolls on rolling machine, using chain or power hoist. * May be designated according to type of mill operated as tandem-mill operator; or condition of metal rolled as cold-mill operator hot-mill operator.
Industry:Professional careers
A professional who tends machine that straightens coiled strip metal, cuts it into strips of specified length, and punches holes in strips. Respnsibilities include: * Hangs coiled metal on spindle between guides of machine. * Inserts end of metal between feed rolls of machine. * Starts machine that feeds strip through straightening rolls under punching and trimming dies that cut strip to specified length and punch holes in it.
Industry:Professional careers
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