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U.S. Department of Labor
Settore: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who tends mixing machine that blends asbestos fibers and ingredients, such as ground marble, water, cement, and oil to form compounds used in making asbestos products, such as pipe, shingles, and brake linings. Respnsibilities include: * Dumps or pours ingredients into mixer in specified proportions. * Starts mixer and allows ingredients to mix for specified time. * Stops mixer and moves control or turns valve to dump or transfer mixture into storage container. * Flushes water through mixer to clean mixing equipment. * Records production data.
Industry:Professional careers
A professional who tends equipment that mixes ingredients to produce slurry (plaster mix) and feeds slurry into rollers for pressing into wallboard or lath. Respnsibilities include: * Regulates flow of stucco (dry plaster mix), water, and soap solution into mixing machine in specified proportions. * Adjusts glue feed for sealing board edges, using handtools. * Observes flow of mix onto wallboard paper and removes lumps from mix, using putty knife. * Observes scoring and folding of paper for defects and notifies knife operator of defects found. * Tests slurry samples for density, using measuring cup and scale. * Inserts weighted needle into slurry and times needle with stopwatch as it settles into slurry to determine setting time of slurry.
Industry:Professional careers
A professional who tends machine that mixes modeling clay ingredients and molds clay for packaging. Respnsibilities include: * Fills hopper of machine with modeling compounds and color pigments, according to formula. * Moves lever or depresses pedal to start machine that grinds and mixes ingredients. * Turns valve to admit mixed clay ingredients into unit of machine that molds clay for packaging.
Industry:Professional careers
A professional who tends mixer that makes lute used for sealing oven doors or tap holes in furnaces. Respnsibilities include: * Shovels specified amounts of materials, such as sand and clay, into mixing pan. * Turns valve to add water, starts machine, and mixes materials with paddle as pan rotates to obtain specified consistency. * Shovels lute into transfer truck. * May be designated according to material mixed as adobe-ball mixer; clay mixer; or machine used as wet-pan mixer.
Industry:Professional careers
A professional who tends mixing chamber that mixes clay and water to make pugged clay. Respnsibilities include: * Loads sacks and cakes of clay from storage area onto truck and pushes truck to pug mill. * Dumps clay into mixing chamber of mill. * Turns valves to regulate flow of water into mixing chamber. * Stacks rolls of pugged clay on truck. * May wrap pugged clay in burlap to prevent dehydration. * May move clay to molding room, using handtruck.
Industry:Professional careers
A professional who tends mixing chamber that mixes clay and water to make pugged clay. Respnsibilities include: * Loads sacks and cakes of clay from storage area onto truck and pushes truck to pug mill. * Dumps clay into mixing chamber of mill. * Turns valves to regulate flow of water into mixing chamber. * Stacks rolls of pugged clay on truck. * May wrap pugged clay in burlap to prevent dehydration. * May move clay to molding room, using handtruck.
Industry:Professional careers
A professional who tends equipment that crushes and mixes materials, such as brick, clay, and refractory mud, to form refractory mortar, used to line interior of furnaces. Respnsibilities include: * Starts crushing machine and shovels materials into hopper. * Shovels crushed materials into wheelbarrow and dumps materials into hopper of mulling (mixing) machine. * Turns valve to admit water into mulling machine and starts machine. * Feels consistency of mixture and adds crushed material or water to obtain mixture of specified consistency. * Shovels mixture into mud box for transportation to work area.
Industry:Professional careers
A professional who tends machine that mixes powdered rouge and water to make polishing paste for lens blanks. Respnsibilities include: * Dumps specified amount of rouge into mixing tank and meters prescribed amount of water into tank. * Starts agitator and allows ingredients to mix for prescribed time. * Draws off sample and tests for density, using hydrometer.
Industry:Professional careers
A professional who tends grinding machine and vat to prepare material to make new saggers. Respnsibilities include: * Starts grinding machine and loads machine with broken saggers for grinding into grog. * Combines grog, domestic clay, and water in vat and permits material to soak for several days. * Tends pug mill to prepare clay for molding into saggers.
Industry:Professional careers
A professional who tends machine that grinds and mixes silica and fire clay into slurry for spraying inner surfaces of furnaces. Respnsibilities include: * Pulls lever on storage hopper chute to fill mobile equipment box with silica, transports load to mixing unit, releases end gate, and dumps silica into ball mill and mixer. * Turns valve to saturate material with water. * Starts agitators and shovels fire clay into mixer to mix slurry to specified consistency. * Opens valve to drain slurry from mixer into storage tank.
Industry:Professional careers