- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who coats rings and jewelry fittings with acid solution or wax to protect metal from oxidation during soldering process. Responsibilities include:
* Drops fittings into boiling acid solution for specified time, or applies wax to fittings, using brush.
* Removes acid coated fittings and heats them in oven to harden coating.
* Dips soldered articles in chemical solutions and water to remove coating.
Industry:Professional careers
A professional who operates machine to trim edges and slits rolls of coated fabric or plastic sheeting to specified widths for use as wall and shelf covering. Responsibilities include:
* Adjusts knives to cut through pattern (design) on material at exact points so patterns will match in register when butted together.
* Observes operation to correct deviation of cut from point.
* May be designated according to material cut as coated fabric cutter; plastic-sheeting cutter.
Industry:Professional careers
A professional who operates hydraulic-pressure-auto-frettage machine to improve physical characteristics and to detect physical weakness of machined artillery barrels, following specifications. Responsibilities include:
* Plugs muzzle end of barrel, sets barrel in vertical container of frettage machine, and tightens clamps to lock barrel in place.
* Connects water pressure pipes to machine, starts water pumps, and moves controls to apply hydraulic pressure to barrel bore to expand bore to specified diameter.
* Observes pressure indicators and records pressure and time at specified intervals.
* Fastens cables around barrel and signals overhead crane operator to remove barrel from machine.
Industry:Professional careers
A professional who reproduces decorative designs on items made of silver, gold, platinum, and other metals, from photographs or drawings. Responsibilities include:
* Outlines design on surface of article, using handtools.
* Positions hollowware over snarling tool (forming head) and raises design area, using foot-powered hammer.
* Strikes small tools with hammer to indent design area.
* Pours molten pitch into article to serve as foundation.
* Melts pitch with blowtorch to remove pitch from completed article.
* Cuts designs in castings of lamp bases and ornamental statuary.
Industry:Professional careers
A professional who performs one or more of following duties to deblock and clean precision ophthalmic or optical elements, such as lenses, flats, prisms. Responsibilities include:
* Chills blocked element to crystallize pitch or other block adhesive and strikes block with mallet to separate element from block, or heats block to soften adhesive and removes element with fingers.
* Places lenses and elements in basket and immerses basket in degreasing tank or automatic cleaning machine.
* Places elements in tray of solvent.
* Cleans finished surfaces of element with pad and brush and rubs unfinished surfaces on board dusted with abrasive to remove foreign substances.
* Inspects lens to ensure cleanliness and freedom from defects.
* Sprays or brushes protective coating on element, allows coating to dry, and places in element tray or wraps in tissue.
* Replenishes solvents in trays and tanks.
* Drains molten metal block adhesive from machine or tank for reuse.
* May clean pitch from surface of block, using hammer, knife, and wire wheel.
Industry:Professional careers
A professional who inspects surgical garments, such as belts, hosiery, trusses, braces, and sanitary napkins for conformance to specifications. Responsibilities include:
* Examines raw materials to detect dirt particles, discolorations, and other defects and rejects substandard materials.
* Weighs and measures component parts and completed garment to verify specified weight and dimensional specifications, using scale and gauges.
* Examines garment at various stages of production for correct positioning of parts and appearance.
* Inspects packaged garments for appearance and to detect excessive glue.
* Tags rejected items for rework or disposal.
* Maintains inspection records and computes level of quality control achieved, using mathematical formulas.
Industry:Professional careers
A professional who prepares photographic plates used to print pattern of aperture masks on sensitized steel. Responsibilities include:
* Examines unexposed plate to detect foreign particles or emulsion flaws.
* Transfers image from master plate to unexposed plate by means of contact exposure and immerses plate in series of chemical and water baths to develop image on plate.
* Examines plate over light box in darkroom to detect flaws and verify conformity of pattern with master plate.
* Measures dot size and center distance, using calibrated microscope, and examines master and production plates for dot damage.
* Repairs defective plates by filling in missing dots, using photographic touch-up tool and ink.
* Installs and aligns plates in printing case for display-screen fabricator.
* Prepares developing solutions, following formula.
Industry:Professional careers
A professional who operates machine to grind pen points to specified size and shape. Responsibilities include:
* Inserts pen point blanks into slots on machine holder and clamps blanks into holder.
* Starts machine that rotates grinding wheel (copper lathe) and advances pen point blanks against wheel to grind fine, medium, or broad points on blanks.
* Examines ground points for conformance with specifications.
* Notifies machine repairer of grinding defects.
* May observe grinding process through magnifying glass.
Industry:Professional careers
A professional who performs repetitive bench or line assembly operations to mass-produce products, such as automobile or tractor radiators, blower wheels, refrigerators, or gas stoves. Responsibilities include:
* Places parts in specified relationship to each other.
* Bolts, clips, screws, cements, or otherwise fastens parts together by hand, or using handtools or portable power tools.
* May tend machines, such as arbor presses or riveting machine, to perform force fitting or fastening operations on assembly line.
* May be assigned to different work stations as production needs require.
* May work on line where tasks vary as different model of same article moves along line.
* May be designated according to part or product produced.
Industry:Professional careers
A professional who operates polishing machines to polish ophthalmic lenses or optical elements, such as lenses, prisms, and flats for use as contact or eyeglass lenses or in precision optical instruments. Responsibilities include:
* Mounts optical element on holding tool, using tape or cement.
* Selects lap i, according to size of optical element and applies pitch or other adhesive to polishing face of lap.
* Presses optical element into adhesive to form polishing surface.
* Mounts holding tool on polishing machine spindle and positions lap and element assembly over tool.
* Applies abrasive, or positions abrasive flow nozzle over element, and starts machine that polishes element.
* Observes polishing operation and periodically stops machine to rinse element with water and to test element for conformance to specifications, using test lens, monochromatic light, microscope, and power determining and optical centering instruments.
* May guide polishing lap manually over element.
* May mix adhesive according to formula.
* May be designated according to type of lens polished as contact-lens polisher.
Industry:Professional careers
