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Inspects optical glass immersed in chemical bath, to detect striae internal stresses . selects premixed chemical solution or mixes liquid chemicals in tank according to refraction index grade of glass. immerses glass in bath focuses burton lamp, collimating light, or striae scope on glass to detect internal stresses striae . marks defective areas with pencil. writes inspection results maintains permanent records for each melt. sorts ...

Operates track-mounted machine, equipped with traveling pouring bucket, to cast reinforced concrete pipe. moves lever to position bucket under hopper of cement buggy to receive cement. pulls levers & turns handwheels to move machine along track and to pour cement from bucket into rotating metal pipe can which acts as a mold remains as reinforcement. observes interior of can withdraws bucket when concrete is level with lip of mold ring. ...

Tends lathe that polishes leaves, pivots, or staffs of clock pinions. clamps part in chuck of lathe. starts lathe swings tool rest into position. forces slip of bell metal against rotating part to smooth surface. repeats process, polishing part with slip of oilstone buffing part with rouge to produce smooth, even surface. examines part for surface defects, using loupe tweezers. may be designated according to part polished as pivot polisher ...

Stores wearing apparel, luggage, bundles, and other articles for patrons of an establishment or employees of business establishment, issuing claim check for articles checked returning articles on receipt of check. may be designated according to article stored as baggage checker any industry ; coat checker any industry ; hat checker any industry ; stand-by motion picture ; wrap checker any industry ...

Tends machine that glues and winds strips of paper around paperboard boxes to form decorative protective covering. pours specified amounts of glue water into glue reservoir. positions roll of paper on holder & threads end of paper through guides gluing rollers of machine. places box on form attached to machine spindle and aligns presses end of glued paper to side of box. presses pedal to rotate box to wind paper around box ...

Feeds metal or simulated wood panels, sheets, or strips into machine that prints lines resembling natural wood grain. holds or moves irregularly shaped pieces against printing roller to impart grainlike appearance. stacks grained pieces for further processing or assembly into articles, like television cabinets, automobile dashboards and office ...

Severs jugular vein of previously stunned animals with knife to prepare animals for butchering. positions neck of animal suspended from overhead rail or shackled on table for sticking. thrusts knife into throat of animal & twists blade to locate sever jugular vein. may shackle suspend animal before sticking [shackler meat products ]. may sever head remove skin with knife, after blood has drained. may be designated according to animal ...

Makes molds, using sweep method which is adaptable only in cases where required casting is symmetrical. assembles drag, flask, bottom plate and spindle projects through center of flask . shovel sand into flask and compacts it by hand ramming. attaches sweep board with bottom edge cut to shape corresponding to casting surface rotates it about spindle, until mold impression usually convex is swept scraped to desired shape. places cope ...

Directs and coordinates activities of workers engaged in repairing and maintaining motor freight transportation equipment to make sure safe efficient operation. purchases parts records expenditures. determines specifications for new equipment directs construction of truck bodies. contracts for repair services not performed in ...

Operates roll mill to homogenize roll plastic compounds into sheeting or slab form. pushes button to transfer plastic from mixing machine to revolving heated mill rolls. cuts material with knife feeds material back through rolls to obtain sheet of specified color, consistency and thickness. adjusts slitting knives or starts automatic scraper to strip sheet from rolls. guides material onto conveyor belt. observes gauges or feels material and ...


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