1. Sets up and operates one or more semiautomatic machines to buff silver or stainless steel flatware between cloth or felt rolls to impart mirrorlike finish: Mounts buffing rolls in machine holders, using wrenches. 2. Turns adjustment wheel and observes pressure dial to set distance between rolls. 3. Turns setscrews …
1. Drills and blasts earth and rock excavations to construct underground shafts and tunnels for projects, such as roads, railways, and waterways: Sets up pneumatic drilling machinery and moves lever controlling drilling action to drill blastholes in tunnel heading according to spacing, angle, and depth of hole specified by SUPERVISOR, …
1. Installs machinery and equipment according to layout plans, blueprints, and other drawings in industrial establishment, using hoists, lift trucks, handtools, and power tools: Reads blueprints and schematic drawings to determine work procedures. 2. Dismantles machines, using hammers, wrenches, crowbars, and other handtools. 3. Moves machinery and equipment, using hoists, …
1. Operates mixing, screening, and milling machines to process salt: Installs specified size screens and rollers in milling machine, using handtools to obtain salt crystals of designated sizes. 2. Opens chute to admit salt into milling machine and starts machine. 3. Brushes oversized salt from vibrating screen to prevent clogging. …
1. Supervises and coordinates activities of workers engaged in cleaning and grinding grain and in bolting flour to ensure milling, according to specifications. 2. Feels flour during processing and adjusts grinding rolls and other equipment to mill product to specifications. 3. Performs duties as described under SUPERVISOR Master Title.
1. Tends conveyor, and spraying and drying unit that cools and dries milled rubber stock: Monitors flow of rubber stock as it drops from mixer through batch-off mill onto conveyor. 2. Removes stock adhering to mill rollers with long-handled scraper and frees stock if it piles up on conveyor. 3. …
1. Compiles and feeds input data into computer that controls reduction processing of steel slabs on roughing section of hot-strip rolling mill and records mill production and operating data: Reviews rolling schedule to ascertain operational data, such as slab sizes, metallurgical analysis, and rolling sequences. 2. Contacts heating personnel by …
1. Supervises and coordinates activities of workers engaged in grinding sugarcane in series of crusher mills to extract juice: Signals workers to regulate speed of conveyors and crusher rollers. 2. Pries cane loose from between rollers to break up jams, using wooden pole. 3. Adjusts tension of rollers to ensure …
1. Mixes specified ingredients with molten lead, pours lead into molds, and cuts lead slabs to specified dimensions: Charges kettle with materials for melting, using shovel. 2. Guides crane-supported mixer into kettle, and mixes contents in kettle. 3. Opens valve permitting molten metal to flow into mold to form slab. …
1. Tends roll mill that crushes and disperses particles of pigment material in batches of viscid organic pigments: Starts roll mill, and scoops or pours batch of viscid organic pigment into hopper of roll mill. 2. Observes distribution of pigment particles on roll of mill, and moves lever to adjust …
1. Verifies width of first plate rolled on roughing mill, using width gauge: Sets gauge for specified width. 2. Places gauge on first plate rolled to determine conformance to specifications and signals mill operator to continue rolling process. 3. Moves steam-jet controls and throws salt on plates to loosen scale …
1. Tends intermediate carding machines that open, clean, mix, and straighten wool, asbestos, or synthetic fibers and deliver carded stock to finisher card: Patrols area between breaker and finisher cards and observes intermediate carding to detect clogged rollers and breaks in carded web. 2. Stops machine, removes fiber from clogged …
1. Tends machine that automatically mounts developed microfilm onto cards for filing purposes: Inserts roll of microfilm into machine. 2. Fills hopper with presorted cards. 3. Pours specified amount of adhesive solution into hopper to coat cards. 4. Starts machine and observes coating of cards with adhesive solution and mounting …
1. Prepares microfiche duplicates of microfilm, using contact printer and developing machine: Cuts roll of exposed microfilm to specified lengths, using paper cutter. 2. Aligns film strips in lighted vacuum box and tapes strips together to assemble master print. 3. Inserts master print and sensitized paper into vacuum frame of …
1. Studies growth, structure, development, and general characteristics of bacteria and other micro-organisms: Isolates and makes cultures of significant bacteria or other micro-organisms in prescribed or standard inhibitory media, controlling factors, such as moisture, aeration, temperature, and nutrition. 2. Identifies micro-organisms by microscopic examination of physiological, morphological, and cultural characteristics. …
1. Performs following tasks in rotation with other workers to laminate continuous sheet of built-up mica splittings to fiberglass cloth: Places roll of built-up mica, backed with fiberglass cloth, on shaft at feed end of conveyor and feeds roll onto conveyor. 2. Visually inspects built-up mica sheet for thin spots …
1. Performs any combination of following tasks concerned with preparing and packaging Mexican ready-to-serve or frozen foods: Places portions of cooked foods on tortilla. 2. Rolls or folds tortilla over seasoned ground meat, bean, or cheese mixture to form Mexican food item. 3. May garnish food with cheese, peppers, olives, …
1. Tends machine that makes metal sponges: Places spool of wire on spindle and threads end of wire around tension rollers and around winding spindle. 2. Installs and threads additional spools of wire according to type of sponge to be made. 3. Presses button to start machine that twists, curls, …
1. Sets up and operates metal spraying machine to bond protective or decorative coatings to metal objects: Positions workpieces into holding fixtures of conveyor. 2. Attaches nozzle onto spray gun and positions gun at specified distance from workpiece. 3. Connects hoses from gun to air compressor and fuel tanks. 4. …
1. Tends machine that slits rolls of metallic yarn material into narrow yarn widths for use in textile manufacture: Positions narrow roll of laminated metallic material on machine arbor and threads end of material through antistatic pad, circular cutters, tension rollers, and around takeup bobbins. 2. Turns valve to drop …
1. Sets up and operates flame-spray equipment and machine tools to build up worn parts, such as crankshafts, motor shafts, clutch plates, and piston rods, and to salvage defective machined parts, according to specifications: Washes object with solvents, or heats object with torch or in furnace to remove impurities, such …
1. Fabricates and assembles structural metal products, such as framework or shells for machinery, ovens, tanks, stacks, and metal parts for buildings and bridges according to job order, verbal instructions, and blueprints: Develops layout and plans sequence of operations, applying knowledge of trigonometry, stock allowances for thickness, machine and welding …
1. Regulates flow of raw sugar from raw-sugar box to drags and elevators: Starts drags. 2. Lifts slide on raw-sugar box to allow sugar to fall on drags. 3. Breaks up sugar lumps in box, using scraper. 4. Shifts slides to rotate drawing of sugar from box and to prevent …
1. Tends machine that flexes hat brims and raises nap to improve pliability and appearance of brim: Starts machine and inserts hat brim between feed rollers and cloth-covered pads or rollers that bend and rub brim to flex brim and raise nap. 2. May be designated according to type of …
1. Melts gold, or gold and silver alloys, using furnace, electric heating unit, or torch, and pours molten metal into ingot molds to prepare metal for use in making jewelry: Places metal in clay crucible. 2. Places crucible in preheated oven or heats crucible with torch to melt metal. 3. …
