Set up or operate various types of printing machines, such as offset, letterset, intaglio, or gravure presses or screen printers to produce print on paper or other materials.

Assembles and fits components according to assembly blueprints, manuals, engineering memos, sketches, and knowledge of machine construction to construct, rebuild, and repair machines and equipment, using hand tools and power tools. Assesses assembly blueprint and specifications manual, and prepares plans... [+] More

Assembles and fits components according to assembly blueprints, manuals, engineering memos, sketches, and knowledge of machine construction to construct, rebuild, and repair machines and equipment, using hand tools and power tools. Assesses assembly blueprint and specifications manual, and prepares plans for machine building operations. Verifies conformance of parts to stock list and blueprints, using measuring instruments, such as calipers, gauges, and micrometers.

Lays out hole locations and drills and taps holes on parts for assembly. Aligns components for assembly, manually or with hoist, and bolts, screws, dowels, welds, or rivets parts together, using hand tools, rivet gun, and welding equipment, or arranges for assembly by welder and electrician. Brushes blue pigment on parts and mates them to detect high spots on surfaces. Removes high spots, and smoothes surfaces, using chisels, scrapers, files, and powered hand grinder. Verifies alignment and tolerances of moving parts, using measuring instruments, such as dial indicators and thickness gauges. Tests operation of assembly by hand. Assembles, sets up, and operates machine to verify functioning, machine capabilities, and conformance to customer's specifications. May form and fasten piping, fixtures, and attachments required to service machine with air, water, and oil. May install wiring and electrical components to specifications. May work as member of team on limited part of fabrication process. May set up and operate metalworking machines to shape parts. [-] Less

Prepares and... [+] More

Prepares and adjusts machine tools, such as lathes, milling machines, boring machines, drills and punch presses, grinders, gear hobbers, and plastic molding machines for other workers, such as production-machine tenders, according to specifications and tooling instructions, applying knowledge of machining methods. Reads blueprint or job order for product specifications, such as dimensions and tolerances, and tooling instructions, such as feed rate, cutting speed, depth of cut, fixtures, and cutting tools to be used. Installs and adjusts holding device and fastens specified cutting and shaping tools in position to enable operator to produce finished workpiece to specifications, using handtools, such as wrenches, screwdrivers, and pliers. Selects and sets speed and feed of machine according to type of operation and specified material and finish. Starts machine to obtain first-run workpiece and verifies dimensional tolerances, using micrometers, gauges, and templates. Changes worn cutting tools and adjusts operation of machine, such as cutting speed, feed rate, or depth of cut, when required. May replace parts on machines, such as bearings, filters, wiring, and switches, using handtools. May instruct operators or other workers in machine setup and operation. May set up machines and equipment other than machine tools, such as welding machine and flame cutting equipment. [-] Less

Operates mail folding... [+] More

Operates mail folding equipment, under supervision, in addition to routine office equipment. Sorts and folds all advertising literature, forms, letters, or other paper sheets using machines that fold. Uses knowledge of proper machine operation on a variety of related machines. Reads and understands written and oral instructions. Organizes tasks and time to ensure timely completion of all projects.

Turns indicator knobs to adjust folding rollers, side guides, and stops, according to specified size and number of folds. Starts machine and feeds paper sheets between folding rollers. Removes folded sheets. May operate inserting machines and place folded sheets into envelopes preparatory to mailing. [-] Less

Prepares and operates closed-die power press to produce metal forgings. Follows work order specifications, using measuring instruments and hand tools.

Aligns and bolts specified dies on ram and anvil of press, using rule, square, shims, feelers, and hand tools. Turns knobs... [+] More

Prepares and operates closed-die power press to produce metal forgings. Follows work order specifications, using measuring instruments and hand tools.

Aligns and bolts specified dies on ram and anvil of press, using rule, square, shims, feelers, and hand tools. Turns knobs to set pressure and depth of ram stroke. Pulls work piece from furnace, when color of work piece indicates forging temperature, and positions work piece on lower die, using tongs. Depresses treadle or pulls lever to lower ram that compresses metal to shape of die impressions. [-] Less

Operates, under supervision, machines that insert printed matter, such as letters or booklets into folders or envelops. Uses knowledge of proper machine operation on a variety of related machines. Reads and understands written and oral instructions. Arranges tasks and time... [+] More

Operates, under supervision, machines that insert printed matter, such as letters or booklets into folders or envelops. Uses knowledge of proper machine operation on a variety of related machines. Reads and understands written and oral instructions. Arranges tasks and time to ensure timely completion of all projects.

Stacks quantities of inserts and covers into machine feedboxes and turns setscrews to adjust feeder mechanisms, according to thickness of material. Starts machine and replenishes feedboxes with inserts and covers. May operate folding machines and routine office equipment. [-] Less

Operates ion-implanting machine to implant semiconductor wafers with gases, such as arsenic, boron, or phosphorus, to implant electrical properties in wafers. Turns valves, flips switches, and presses buttons to start and regulate flow of gases into implant machine. Places semiconductor... [+] More

Operates ion-implanting machine to implant semiconductor wafers with gases, such as arsenic, boron, or phosphorus, to implant electrical properties in wafers. Turns valves, flips switches, and presses buttons to start and regulate flow of gases into implant machine. Places semiconductor wafers in holders, such as carousel, wheels, or boats, using tweezers. Places loaded holder in machine and secures clamps. Presses buttons to start feeding and implanting process.

Monitors gas gauges and meters and turns dials to adjust gases, following specifications, if required. Maintains processing reports. May test semiconductor wafers, using test equipment, to verify that voltage, current, and resistivity of implantation meet company specifications. [-] Less

Operates and... [+] More

Operates and tends one or more machines that knit fabrics, garment parts, or other articles from yarn.

Creels machine and ties end of yarn to yarn in machine or threads yarn through guides, tension springs, stop-motion devices, and yarn carrier or needles, using hook. Starts machine and laps end of tubular or flat knitted goods around take-up roller. Observes knitting to detect yarn breaks, exhausted yarn packages, and knitting defects. Ties broken yarn ends, replaces exhausted yarn packages, and notifies repair person of mechanical defects. Cuts knitted fabric, using scissors, and doffs roll of cloth from machine. May mark ticket to indicate number of holes in knitted goods. May replace defective needles, using needle pliers or wrench. May weigh roll of knitted goods and record weight. May oil machine. May be designated according to type of machine tended. May be designated according to type of fabric knitted. [-] Less

Operates equipment that drills and blasts earth and rock excavations to construct underground shafts and tunnels for projects, such as roads, railways, and waterways. Prepares pneumatic drilling machinery and moves lever controlling drilling action to drill blastholes in tunnel heading... [+] More

Operates equipment that drills and blasts earth and rock excavations to construct underground shafts and tunnels for projects, such as roads, railways, and waterways. Prepares pneumatic drilling machinery and moves lever controlling drilling action to drill blastholes in tunnel heading according to spacing, angle, and depth of hole specified by tunnel heading supervisor.

Loads blastholes and ignites powder charges to loosen earth and rock. Wedges, nails, or bolts timber or steel retaining structures to prevent cave-ins. [-] Less

Prepares and... [+] More

Prepares and operates machine to form longitudinal bends, beads, rolls, or embossed designs into sheet metal strips by drawing strips through one or more sets of roller dies to fabricate such items as molding trim or weather-strip.

Bolts specified dies onto spindles. Positions spindles to align male and female dies and to adjust dies and drive rolls to thickness of metal strip. Guides flow of coolant onto work piece or fills oil cups. Turns machine over to roll forming machine operator. [-] Less