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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 feeds sheets of glass onto conveyor type, plaster-covered table that carries sheets into grinding machine. Responsibilities include: * Climbs onto table and receives glass from workers on floor. * Lowers ends simultaneously onto table to avoid cracking sheet. * Positions sheets end to end so that edges will not be chipped or glass cracked as glass passes beneath grinding heads. * Raises glass and scoops more plaster under edges to level sheets. * Pulls roller over glass sheets to settle them in and remove air bubbles from plaster.
Industry:Professional careers
A professional who feeds asbestos disk pads onto automatic feed platform of grinding machine that polishes pads. Responsibilities include: * Strikes pads against one another to remove excess asbestos particles. * Breaks flange from rims of pads by hand and stacks pads onto automatic feed platform of grinding machine.
Industry:Professional careers
A professional who positions and secures sheets of glass on table preparatory to grinding and polishing operations. Responsibilities include: * Dumps quantity of plaster onto table and spreads it, using trowel. * Guides sheets of glass, lowered by overhead crane, onto plaster-covered table so that glass sheets lie end to end. * Inserts stubs (wooden blocks) between sheets to prevent chipping. * Drives wood pegs up through holes along edge of table to prevent glass from shifting or sliding from table. * Fills spaces between sheets with plaster to provide continuous smooth surface for grinding and polishing.
Industry:Professional careers
A professional who operates glass lathe to cut, shape, and seal glass bulbs used in manufacturing electronic tubes, following blueprints, standard procedures, and sample parts. Responsibilities include: * Places glass blanks and tube components in chuck or tailstock of lathe, adjusts and locks parts in lathe manually or depresses pedal of compressed air device that automatically locks parts in lathe. * Starts lathe, lights gas-torch heating element, turns valve to regulate flames, according to specified heating rate, and heats glass to working temperature indicated by color. * Turns handwheels or pushes lever to control heating of specified areas of glass parts. * Depresses pedal to control air blast and holds tools against revolving glass to perform mechanical operations, such as cutting and shaping glass to repair defects. * Anneals glass parts, using gas torch. * May operate glass lathe to form glass beads on tube components or to seal new glass tubing on necks of rebuilt television or oscilloscope tubes. * May fuse glass seal tube and connector pins into side of partially formed vacuum tubes, using gas torch.
Industry:Professional careers
A professional who sets up and operates stonecutting lathe to turn and shape blocks of stone, such as limestone, marble, granite, and sandstone to form columns, pillars, balusters, and other cylindrical building and monumental work. Responsibilities include: * Mounts block of stone between centers of lathe, using hoist. * Signals overhead crane operator to position stone in lathe. * Adjusts roughing tool or grinding wheel on carriage and starts machine. * Opens water valve and feeds tool or grinding wheel against and along length of rotating stone. * Removes roughing tool or wheel and installs finishing tools, using handtools. * Measures stone to ensure cutting to specified dimension and contour, using caliper. * May knock off corners of rough stone with hammer. * May cut intricate designs in stone, using special tools. * May sharpen cutting tools. * May operate lathe to polish stone objects and be designated stone-lathe polisher.
Industry:Professional careers
A professional who this group includes occupations concerned with cutting a smooth surface on rough stock and reducing it to desired size by the action of rotating cutting tools; and imparting a particular shape to material.
Industry:Professional careers
A professional who sets up and operates machine with single or multiple grinding wheels to shape building or monumental stone into various designs. Responsibilities include: * Levels and aligns stone on car or machine bed according to design specified for stone, using crowbar, wedges, square, and spirit level. * Clamps stone to backstop, securing stone for grinding. * Selects template, according to contour of design, and bolts template into position on machine to guide grinding wheel over stone. * Turns valve to spray water over wheels and stone. * Moves levers to lower grinding wheel against stone and start machine that moves rotating wheel back and forth over stone, following outline of template. * Observes ammeter to determine resistance against wheel and moves lever to increase or decrease pressure on wheel. * Compares stone with template or scans design marked on stone to determine conformance to specifications. * Dresses surface of worn grinding wheels by holding dressing tool against rotating wheel. * May rough out contour of stone preparatory to finishing by machine, using chisel, hammer, and pneumatic cutting tools. * May operate machine without template to grind flat surface on stone. * May operate machine to grind joints or grooves or cut and shape stone moldings, fluted columns, panels, and decorative designs in building or monumental stones.
Industry:Professional careers
A professional who sets up and operates machine with single or multiple grinding wheels to shape building or monumental stone into various designs. Responsibilities include: * Levels and aligns stone on car or machine bed according to design specified for stone, using crowbar, wedges, square, and spirit level. * Clamps stone to backstop, securing stone for grinding. * Selects template, according to contour of design, and bolts template into position on machine to guide grinding wheel over stone. * Turns valve to spray water over wheels and stone. * Moves levers to lower grinding wheel against stone and start machine that moves rotating wheel back and forth over stone, following outline of template. * Observes ammeter to determine resistance against wheel and moves lever to increase or decrease pressure on wheel. * Compares stone with template or scans design marked on stone to determine conformance to specifications. * Dresses surface of worn grinding wheels by holding dressing tool against rotating wheel. * May rough out contour of stone preparatory to finishing by machine, using chisel, hammer, and pneumatic cutting tools. * May operate machine without template to grind flat surface on stone. * May operate machine to grind joints or grooves or cut and shape stone moldings, fluted columns, panels, and decorative designs in building or monumental stones.
Industry:Professional careers
A professional who sets up and operates planing machine to shape, smooth, and square surface of stone blocks and slabs. Responsibilities include: * Positions stone block on machine bed, using hoist, and secures it in place on bed with clamps (dogs). * Measures and marks stone, using pattern, tape measure, and marking pencil. * Installs and adjusts cutting tool in machine chuck, using wrench, and starts machine. * Pulls levers and turns wheels to regulate cutting speed and depth of cut. * Cuts specified design by hand in portion of stone that cannot be cut by machine, and smooths edges of stone, using mallet, chisel, and file. * May shape and sharpen cutting tools on grindstone according to specifications. * May replace worn or broken parts, using handtools, and lubricate machine.
Industry:Professional careers
A professional who this group includes occupations concerned with piercing material by means of rotary cutting tools or rigid tools advanced into the material to make, enlarge, or thread holes.
Industry:Professional careers