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U.S. Department of Labor
Industry: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who tends tanks that impregnate asbestos lining stock with asphalt solution. Respnsibilities include: * Loads vacuum tank with rolls of asbestos lining, using hoist. * Turns valves to admit specified quantities of asphalt solution into tank. * Turns steam valves to heat tanks, observes temperature control chart, and adjusts coolant valves to maintain temperature within specified limits. * Transfers impregnated rolls of asbestos from tank to oven, using hoist. * Allows material to heat for specified time to complete impregnating process. * Starts blower to dry and exhaust fumes from asbestos. * May standardize width and thickness of asbestos lining. * May test impregnated stock to ensure conformance to specifications, using brake-testing machine. * May deliver samples to control laboratory. * May tend mixing machine to prepare impregnating solution.
Industry:Professional careers
A professional who performs any combination of following duties in concrete mixing plant. Respnsibilities include: * Verifies amount of aggregate in storage bins by visual inspection, and turns swivel head to direct aggregate into specified bin. * Tends electrically powered conveyor or pneumatic pump to hoist cement from feeder hopper, railroad car, or transport truck into storage container, such as cement silo. * Loosens locking pin, using hammer, to dump cement from cars into storage hopper, prodding cement with pole through trapdoor in car until car is empty. * Positions trucks, cars, or buckets under spouts of concrete mixers, batching plants, or hoppers, using hand signals, and moving levers or handwheels to discharge concrete into trucks, cars, or buckets. * May haul cement from storage in bulk or bags, emptying, cleaning, and bundling empty bags. * May be designated according to duties performed as Aggregate-Conveyor Operator; Bag Shaker; Cement-Car Dumper; Cement-Conveyor Operator; Cement Handler; Cement-Sack Breaker. * May be designated: concrete-bucket loader; concrete-bucket unloader; concrete-conveyor operator; concrete-hopper operator; concrete-mixer loader, truck mounted; conveyor tender, concrete-mixing plant; dumper, central-concrete-mixing plant; loft worker, concrete-mixing plant.
Industry:Professional careers
A professional who tends machine that unwinds wire netting to be embedded in sheet glass. Respnsibilities include: * Cuts V-shaped point on leading edge of roll, using hand shears, and positions roll on holding frame of machine. * Signals coworker to feed end of wire netting into glass-rolling machine. * Splices end of depleted roll of netting to lead end of new roll and places new roll in unwinding frame.
Industry:Professional careers
A professional who operates rotary type machine to mix concrete and fills metal molds to make pipe and other concrete products. Respnsibilities include: * Pulls trip bar and lever on overhead chutes to fill suspended weighing hoppers and cart with specified weights of sand, gravel, and cement. * Pushes cart of cement to mixing machine and tilts cart by hand to dump cement into machine. * Turns valve to admit specified quantity of water. * Fills mold with sample batch of concrete. * Lifts mold from sample and compares diameter of sample with diameter of mold to determine whether consistency of concrete conforms with specifications. * Adjusts mixture by adding water, cement, sand, or gravel. * Bolts pneumatic vibrator to mold, using hand wrench. * Pulls lever to open mixer chute and fill pouring bucket. * Positions bucket over mold, using overhead hoist and pulls trip bar to fill mold. * Starts vibrator to settle concrete. * Pushes concrete remaining on core cover into mold, using hoe. * Levels off top of fresh casting, using trowel. * Records each batch of concrete produced.
Industry:Professional careers
A professional who casts concrete burial vaults. Respnsibilities include: * Places vault handles in lid mold, lifts mold sides, and inserts pin to secure mold sides. * Pulls lid handles through mold slots and inserts wedge to secure lid handles. * Lifts bottom mold sides and secures sides, using pins and hammer. * Greases top edge of mold inner core to prevent concrete seepage from mold. * Positions concrete bucket over molds, using electric hoist, and pulls lever to empty concrete into molds. * Slides pneumatic vibrator into mold socket to settle concrete in molds. * Smooths top of concrete, using screed and trowel. * Removes pins from bottom mold sides, and pulls sides of bottom mold down, using hammer and pry bar, to separate mold from vault. * Pulls lever to relax inner core mold to permit vault removal. * Removes securing pin to lower lid mold sides. * Scarifies lid surface and applies and stipples finishing cement to decorate lid, using scarifier and brush. * Transfers vault bottom and lid to spraying area, using hoist. * Sprays vault with asphalt and colored paints to protect and decorate vault. * Applies sealing compound to vault lid, using trowels. * Hoists vault bottom and lid onto truck. * Delivers vault to grave site, and lowers vault into ground.
Industry:Professional careers
A professional who inspects talc crayons for defects, sorts crayons according to length, and packs crayons for shipment. Respnsibilities include: * Spreads crayons in hands and examines crayons for defects, such as broken, split, or incomplete pieces. * Separates crayons into grades according to length and defect. * Packs graded crayons in cardboard boxes and places defective crayons in tray. * Seals boxed crayons, using tape, and glues label on box.
Industry:Professional careers
A professional who fabricates ceramic kiln furniture used to support glazed ware during firing. Respnsibilities include: * Weighs domestic clay and grog according to formula. * Dumps materials into mixing machine, adds water, and allows machine to run for specified time. * Drains grog from container into molds. * Removes furniture (setters and pedestals) from mold when dry, finishes furniture with knife and sponge, and places furniture in kiln for firing at specified temperatures. * Removes fired pieces from kiln to storage, using handtruck. * May cut setters from extruded clay sheets, using specified shape cutters.
Industry:Professional careers
A professional who applies mica splittings to paper or fiberglass cloth to produce mica sheet. Respnsibilities include: * Places precut sheet of paper or piece of fiberglass cloth on table and places mica splittings over entire surface so that pieces of mica overlap each other. * Brushes silicone varnish over surface, using paint brush, and places sheet on table for drying.
Industry:Professional careers
A professional who mixes slurry, fills molds, and conveys filled molds to drier to cast refractory brick, using mixer, vibrating table, chain hoist, and related equipment. Respnsibilities include: * Reads work order to determine product to be cast and bolts specified mold parts together, using impact wrench. * Attaches chain hoist to assembled mold and moves mold to vibrating table. * Empties premeasured ingredients into mixer according to formula, adds water, and starts mixer. * Observes mixture and adds additional water, as required, to achieve prescribed consistency, utilizing acquired experience. * Fills bucket with slurry and pours slurry into mold. * Presses switch to start vibrating device on table and adds slurry to fill mold as mixture settles during vibration. * Draws metal bar across surface of mixture to level casting. * Stacks filled molds in drier car, using chain hoist, and pushes loaded car along rail into drier. * Sets drier controls to dry castings according to specifications, and pulls drier car from drier at end of cycle. * Removes molds from dried products, using impact wrench. * Cleans mold parts, using brush.
Industry:Professional careers
A professional who tends drying cylinder and hammer mill arranged in tandem to dry and pulverize mica. Respnsibilities include: * Turns valve to start flow of oil in burner and ignites oil to heat drying-cylinder. * Starts machines that tumble mica in heated cylinder and automatically feed dry mica into hammer mill. * Examines pulverized mica for discolorations caused by excess heat and for conformance with grinding specifications. * Adjusts controls of drying cylinder to regulate temperature and replaces worn hammers to grind mica to specifications, using handtools. * Changes screens on discharge chute of hammer mill according to size specified for mica. * May fill machine hopper with mica, using tractor equipped with scoop.
Industry:Professional careers