1. Assists MIXER OPERATOR, HOT METAL to mix molten metal: Attaches electrical connections to torpedo-ladle car and pushes controls to tilt car and pour metal into hot-metal transfer ladle. 2. Signals OVERHEAD CRANE OPERATOR to pour molten iron from ladle into mixer. 3. Records tare weight of torpedo-ladle car. 4. …
1. Controls mixing machine and auxiliary equipment to blend ingredients for explosives, such as dynamite, smokeless powder, and solid-propellant rocket fuel: Weighs out and charges specified quantities of solid materials into mixer, or feeds preweighed materials into mixing chamber. 2. Meters prescribed quantities of liquid chemical agents, such as nitroglycerin, …
1. Tends machine that mixes specified amounts of additives and raw salt to fortify salt products, such as table salt, salt tablets, and block salt: Weighs out specified amounts of additives, such as potassium iodide, magnesium carbonate, garlic, and spices, using scale, and dumps them into drum of mixer. 2. …
1. Tends machines that mix ground coke, coal, anode butts, and pitch into carbon paste and press paste into anodes or electrodes: Sets automatic scale and steam regulator to specified weight and pressure. 2. Opens hopper valves to load specified amounts of coke, coal, butts, and pitch scales into batch …
1. Tends numerically controlled equipment that automatically mixes oil, water, and mixture of grain products to make dough used in production of snack foods: Reads chart to determine time intervals and sequence for adding oil and water and length of mixing cycle. 2. Pulls knobs to activate control panel and …
1. Mixes, by hand, various grades and quantities of cotton and wool waste, or waste thread, according to specifications, for use as wiping, rubbing, and polishing or packing material.
1. Tends mixing kettles to mix and heat chemical ingredients to make cleaning and polishing compounds according to formula: Weighs or measures specified amounts of ingredients on scale or in measuring containers. 2. Pours or shovels ingredients into mixing kettles. 3. Turns valves to regulate gas flame or steam pressure …
1. Dumps asphalt resin chunks into heating kettle to liquefy resin used as binding sealer in asphalt shingles. 2. Chops resin into pieces, using ax, and feeds pieces into kettle. 3. Lifts screen on return flow trough and removes foreign matter from screen by hand.
1. Tends mechanical crusher to crush and screen, for reuse, insulating mixture from electrical furnaces in which carbon is graphitized: Breaks mixture to size with pick. 2. Shovels mixture into hopper of crusher. 3. Starts crusher and conveyor belts that carry crushed and screened mixture to storage bins. 4. Marks …
1. Tends machine that separates matted fur fibers and blends fibers for use in felt hats: Selects fibers according to quality, type, and weight specifications. 2. Dumps fibers into hopper of machine. 3. Starts machine that forces fibers against teeth of cylinders, that separate matted fibers, and into air-blending chamber …
1. Repairs missile weapons system support facilities and equipment: Inspects, services, and replaces electrical, hydraulic, and mechanical components of missile weapons systems real-property-installed equipment, facilities, and ground support equipment, such as missile pedestals, crib suspensions, pendulum links, shock mounts, maintenance work platforms, erection booms, umbilical brackets, and suspension devices. 2. …
1. Sets up and operates machine to cut mitered or rectangular grooves in flat glass articles, such as mirrors, counter dividers, or shelves: Installs grinding wheels according to specifications, using wrench. 2. Sets guide rails according to width of glass, using ruler and screwdriver. 3. Clamps stop on end of …
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. Feeds mirror glass onto conveyor of glass silvering machine or automatic washing and drying machine. 2. Removes silvered or cleaned mirror from conveyor. 3. May examine mirror glass for defects.
1. Installs custom mirrors on walls, ceilings, and doors in homes and commercial establishments, according to work orders and diagrams, with assistance of helper, using handtools: Loads and arranges mirrors on truck, according to sequence of customer orders. 2. Covers each mirror section with burlap to prevent nicks, scratches, and …
1. Performs any combination of following tasks involved in mirror production: Loads and unloads conveyors and feeds and off bears machines, such as washers, polishers, bevelers, edgers, and seamers. 2. Cleans mirrors by hand with powdered pumice. 3. Cuts fiberboard or plywood to size for mirror backs, using table saw. …
1. Conducts research to determine location and methods of extracting minerals, such as metallic ores and nonmetallic substances, such as coal, stone, and gravel: Conducts or collaborates in geological exploration, and reviews maps and drilling logs to determine location, size, accessibility, and estimated value of mineral deposit. 2. Determines methods …
1. Constructs miniature models of motion picture sets used in filming backgrounds, titles, and special effects according to scale. 2. Cuts materials, such as wood, cardboard, or plastic to specified dimensions, using handtools. 3. Fits and glues or tacks cutouts to form three-dimensional set pieces. 4. Builds landscapes, using plaster …
1. Mines precious metals from sand and gravel by placer method: Constructs inclined trough with riffles or cleats at bottom. 2. Shovels ore-bearing sand or gravel into stream of water running through sluice box and observes operation to ensure that loose metals are being caught behind riffles. 3. Removes obstructions …
1. Examines, analyzes, and classifies minerals, gems, and precious stones: Isolates specimen from ore, rocks, or matrices. 2. Makes microscopic examination to determine shape, surface markings, and other physical characteristics. 3. Performs physical and chemical tests and makes x-ray examinations to determine composition of specimen and type of crystalline structure. …
1. Tends minglers that mix raw sugar and affination to prepare raw magma of specified density: Starts mingler and signals MELT-HOUSE DRAG OPERATOR, using bell, to start flow of sugar to minglers. 2. Turns valve to start flow of affination into minglers. 3. Regulates speed of mingler and controls flow …
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. Mines ore, coal, or rock in underground mine, performing any combination of following tasks in areas where high production equipment is limited by economic factors or natural formations: Cuts channel under working face to facilitate blasting, using pick, or by operating cutting machine. 2. Operates mounted or unmounted power …
1. Tends equipment to mix ingredients used in preparing mincemeat: Weighs and measures ingredients, such as raisins, currants, ground orange peels, salt, spices, and hot water, using platform scale and measuring containers. 2. Dumps ingredients from measuring containers into kettle and activates agitator to mix ingredients for specified period of …
1. Inspects underground or open-pit mines to ascertain compliance with contractual agreements and with health and safety laws: Inspects for rotted or incorrectly placed timbers, dangerously placed or defective electrical and mechanical equipment, improperly stored explosives, and other hazardous conditions. 2. Tests air quality to detect toxic or explosive gas …
