1. Stacks sheets of glue-coated plywood, fiberboard, and plastic, in specified sequence for pressing into laminated tops for furniture, such as dressers, tables, and desks. 2. Builds tops for matched sets, by matching color, type of finish, and grain pattern of face sheets. 3. May tend cold press to compress …
1. Molds and assembles plastic tools, such as gauges, jigs, templates, and fixtures, following blueprints: Spreads layers of glass cloth on molds or forms and brushes each layer with plastic to build plastic tool following configuration of mold. 2. Pries cured plastic tool from mold with prying tool. 3. Calculates, …
1. Examines plastic playing cards for reuse by patrons of public cardroom: Inspects cards for defects, such as scratches, cuts, and discoloration. 2. Replaces defective cards with those matching others of deck in color, size, and pattern. 3. Feels each card of deck for uniform thickness. 4. Counts, sorts, and …
1. Feeds and off bears rotating machine that fuses plastic designs to shoe uppers: Aligns shoe part and design with guides in machine bed. 2. Removes finished article from machine and stacks shoe uppers in bins.
1. Fabricates precision plastic checking fixtures used to determine accuracy of stamped metal parts: Casts plastic reproduction from model of part. 2. Lays out reference lines on cast as guides in assembling, fitting, and trimming operations, using height gauges, surface plates, squares, protractors, and other measuring instruments. 3. Cuts and …
1. Casts plastic joints for sewer pipe in joint mold: Removes dirt, dust, or grease from pipe, using airhose, rags, and solvent. 2. Examines pipe for straightness, chips, or cracks. 3. Brushes adhesive on end of pipe. 4. Loads pipe on conveyor, using air hoist. 5. Positions joint mold on …
1. Molds and installs ornamental plaster panels and trim, and runs ornamental plaster cornices and moldings by either of following methods: Spreads freshly mixed plaster on table or in forms with trowel when molding and installing ornamental trim. 2. Shapes plaster by hand, using template and cuts trim to size …
1. Tends machine that pumps plaster or stucco through spray-gun for application to ceilings, walls, and partitions of buildings: Starts and stops machine on signals from PLASTERER. 2. Fills hopper of machine with plaster. 3. Turns valves to regulate pump and compressor. 4. Assists in erecting scaffolds.
1. Casts and finishes plaster patterns used in making precision sand molds for dies, tools, and machine parts, according to specifications: Constructs boxlike enclosure around part to be cast, filling in cracks and openings with clay. 2. Lubricates surface with parting agent that prevents plaster from sticking to part. 3. …
1. Casts plastic reproductions of models, patterns, and prototype parts: Examines part to determine sections that can be cast and assembled to obtain reproduction. 2. Constructs boxlike enclosure around section of part to be duplicated. 3. Brushes or sprays surface of section with parting agent to prevent plastic from sticking …
1. Constructs plastic segments of mannequins and display forms, using molds, liquid plastic, and glass fiber cloth: Brushes paste wax onto inside surfaces of mold halves to facilitate removal of molded form. 2. Inserts aluminum fitting block corresponding to segment of form being constructed into recess of mold. 3. Brushes …
1. Tends machine that winds drop cloths from precut lengths of plastic: Places end of plastic around takeup cylinder of machine, and overlaps plastic to secure plastic to cylinder. 2. Depresses pedal to activate cylinder and wind plastic onto cylinder. 3. Applies pressure by hand to edge of plastic to …
1. Lays out parting line on patterns and casts plaster molds according to blueprints, sketches, and oral instructions, applying knowledge of metal characteristics, pattern contours, and pouring procedures: Locates and scribes parting line on wood, metal, or plastic patterns, using measuring instruments, such as calipers, square, depth gauge, and straightedge. …
1. Forms plaster molds, used to make metal castings, using molder’s handtools, patterns, and flasks: Mixes plaster powder and water according to specified formula. 2. Places cope and drag on molding table. 3. Places drag half of pattern in drag. 4. Pours liquid plaster into drag, removes excess plaster, using …
1. Casts plaster dies for hydraulic ram press that forms pottery ware: Places wire mesh over die face of master model and presses or taps mesh with wooden mallet to contour of model. 2. Wires nonmetallic conduit to wire mesh. 3. Removes wire mesh assembly and sponges soap solution on …
1. Applies coats of plaster to interior walls, ceilings, and partitions of buildings, to produce finished surface, according to blueprints, architect’s drawings, or oral instructions, using handtools and portable power tools: Directs workers to mix plaster to desired consistency and to erect scaffolds. 2. Spreads plaster over lath or masonry …
1. Cares for ornamental plants on various customer premises, applying knowledge of horticultural requirements, and using items such as insecticides, fertilizers, and gardening tools: Reads work orders and supply requisitions to determine job requirements, and confers with supervisor to clarify work procedures. 2. Loads plants and supplies onto truck in …
1. Tends plasma equipment that dry etches unprotected copper from substrate boards or panels to form circuit patterns on printed circuit boards: Hangs boards or panels on racks in plasma tank and locks door. 2. Adjusts controls, according to process specifications, to set time, wattage, and percentage of oxygen and …
1. Casts plaster art objects, such as statuary and plaques, using flexible molds: Assembles mold that consists of inner shell and outer casing. 2. Mixes specified proportions of water and plaster, by hand or using mechanical mixer, and pours mixture into rubber mold. 3. Shakes and squeezes mold to eliminate …
1. Controls equipment to weigh and mix gypsum with specified proportions of fiber, retarder, perlite, and other additives to make plaster: Starts mixing machine and sets weigh hopper. 2. Engages screw feeder that feeds specified amount of gypsum from storage bin into weigh hopper. 3. Weighs additives according to specifications …
1. Tends semiautomatic planing machine that cuts off excess metal and imparts smooth surface to such watch parts as balance cocks and train bridges: Places single part in chuck of machine, depresses pedal to close chuck, trips starting handle, and observes machine which planes piece and ejects it from chuck …
1. Flattens previously initialed heads of signet rings to remove dents, using press. 2. Positions plunger and arbor holder in press. 3. Slips ring on arbor and inserts arbor in arbor holder. 4. Pushes lever that forces plunger down on head of ring to flatten it and remove dents. 5. …
1. Conducts studies to develop data required for planning central office switching facilities, and prepares plans and schedules for acquisition and installation of equipment to meet long term and current relief requirements: Conducts studies to accumulate information on current services, equipment capacities, current traffic data and estimated acquisition and installation …
1. Plans and carries out breeding studies to develop and improve varieties of crops: Improves specific characteristics, such as yield, size, quality, maturity, and resistance to frost, drought, disease and insect pests in plants, utilizing principles of genetics and knowledge of plant growth. 2. Develops variety and selects most desirable …
