1. Seams edges of glass, using belt sander: Selects abrasive belt according to type of finish specified and installs belt on pulleys of machine. 2. Turns screw to tighten and center belt on pulleys. 3. Turns valve to start water spray on wet-belt machine or pushes switch to start exhaust …
1. Applies colored liquid plastic to glass surface of installed windows and doors to reduce interior heat and glare from sunlight, using spray gun: Fills spray reservoir with solution. 2. Applies plastic coating to glass surfaces from top of window or door and working downward to apply smooth, uniform coat. …
1. Installs glass in millwork products, such as doors, window sashes, china closets, and office partitions: Places door or sash on worktable and inserts precut glass in opening, or inserts glass as products pass on conveyor, using either of following methods: Inserts precut molding into window opening around edges of …
1. Removes rough edges and surface convexities from formed glassware, using belt or disk grinder: Turns valves to regulate flow of abrasive compound and water on metal disk or to regulate flow of water on grinding wheel or belt grinder. 2. Presses and turns edges and surfaces of glass or …
1. Operates lathe grinder to grind glass laboratory apparatus and component parts to specified dimensions: Installs holding device, such as chuck or faceplate, on headstock spindle. 2. Positions and secures workpiece in holding device, and installs abrasive wheel in tailstock. 3. Starts machine and turns handwheel to feed abrasive wheel …
1. Visually inspects plate glass or glass products, including fiberglass, for defects, such as scratches, cracks, chips, holes, or bubbles: Places workpiece on inspection stand or table for examination. 2. Examines workpiece and marks defects. 3. Rejects or classifies pieces for potential use, such as mirrors, glass pane, or furniture …
1. Cuts and finishes plate glass to make variety of glass products: Lays out pattern on plate glass and cuts it, using glasscutter. 2. Holds glass against series of rotating grinding and polishing wheels to bevel and polish edges. 3. Sprays silver solution on glass to provide mirrored surface, using …
1. Cuts sheet glass into oval or circular shapes, using cutting table equipped with manually guided cutting tool suspended above surface of glass: Adjusts cutter to produce specified shape and guides cutting tool, mounted on steel rod, over glass to score and cut surface.
1. Etches or cuts artistic designs in glass articles, such as bowls, vases, and stemware, using acid solutions, sandblasting equipment, and design patterns, using any of following methods: Dips glass in molten wax to coat ware with wax. 2. Places perforated pattern against waxed ware and sprays ink through pattern …
1. Tests glass stock for color density to determine acceptability of stock for colored lenses, using light transmitting equipment. 2. Inserts colored glass stock in transmission equipment that passes light through stock and registers color density. 3. Reads machine dial and rejects or accepts glass stock according to chart listing …
1. Tends automatic equipment that burns, scores, and breaks continuous sheet of glass into specific lengths: Turns controls on panel to synchronize cutting heads with rise of vertically drawn glass sheet to score glass into specific dimensions. 2. Pushes or pulls sheet to cap off glass along scored line, and …
1. Cuts flat glass and mirrors to specified size and shape, using patterns, straightedge, tape measure, and glass cutting tools: Positions pattern on glass or measures dimensions and marks cutting lines, using glass cutting tool. 2. Scribes around pattern or along straightedge, using cutting tool. 3. Breaks away excess glass …
1. Lays out and cuts optical glass to specified dimensions and weight for molding into lens blanks, using templates, balance scale, and glass cutting tool: Examines optical glass stock or molded blanks for defects, such as bubbles, cracks, and scratches, and rejects defective stock. 2. Weighs glass stock to facilitate …
1. Heats and bends glass tubes to form scroll of electric neon signs according to pattern: Tacks asbestos pattern onto workbench. 2. Cuts length of tubing required to form letters, using file. 3. Holds tube over gas burner at point to be bent, rotating tube to heat it uniformly. 4. …
1. Shapes gather into glassware by blowing through blowpipe: Receives blowpipe from GATHERER and examines gather on blowpipe for imperfections, utilizing knowledge of molten glass characteristics. 2. Blows through pipe to inflate gather while rotating pipe to prevent sagging and to obtain desired shape, or blows and rotates gather in …
1. Develops specifications for glass component parts and apparatus, such as test tubes, retorts, and flasks, used in medical and laboratory products, and blows and shapes glass to required dimensions, applying knowledge of glass technology and glass blowing techniques: Develops sketch into blueprint specifications, correlates product design, and determines type …
1. Measures, marks, and etches units on side of glass tube or similar measuring devices, using calibrating device and solution of hydrofluoric acid: Fills tube with specified quantity of mercury and marks meniscus of mercury with special pen. 2. Covers tube with wax. 3. Positions tube in calibrating device, aligns …
1. Weighs incoming cotton, computes ginning charges, and records production in cotton ginning establishment: Weighs truck or trailer loaded with cotton and records gross, tare, and net weights. 2. Computes and records quantity of cotton ginned and baled, and records weight of cottonseed removed from cotton. 3. Questions cotton owners …
1. Tends variety of machines, such as dryers, cleaners, gin stands, and linters, that dry, clean, and separate cotton lint from seed and waste material: Slides hand into seed chutes and removes accumulations of seed. 2. Observes saw ribs in gin stand and linter screens to detect clogging. 3. Removes …
1. Laps girdle on rough diamonds, using diamond girdling lathe, and utilizing knowledge of diamond finishing techniques: Examines diamond to determine site, width, and shape of stone to be girdled and selects flat or hollow tipped dop, depending on surface of diamond. 2. Screws dop onto end of heating rod, …
1. Tends machine that sprays or dips tungsten wires with chemical used to burn off residual air and moisture in electric light bulbs: Fills receptacle of machine with getter. 2. Starts machine that sprays or dips getter onto tungsten filaments. 3. Observes application of getter to ensure uniformity and to …
1. Wraps and decorates customer’s purchases with gift-wrapping paper, ribbons, bows, and tape in retail store. 2. May collect money and make change for gift-wrapping service. 3. May assist customer to select appropriate wrapping materials.
1. Tends machine that raises and sets direction of fiber on surface of woolen cloth, imparting soft and lofty hand to cloth: Mounts roll of cloth on shaft at feed-end of machine, using hoist. 2. Sews end of cloth to leader in machine, using portable sewing machine. 3. Turns handwheels …
1. Covers surfaces of items, such as books, furniture, harps, and signs, with metal leaf, such as aluminum, gold, or silver, to decorate them, using brushes, T-shaped handtool, and hands: Brushes sizing on sections of items which are to be covered with leaf, according to design. 2. Transfers leaf from …
