- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends high-pressure heating equipment that removes internal solvent bubbles from nitrocellulose rod stock. Respnsibilities include:
* Loads precut rods into cylinder chamber.
* Turns valves to fill cylinder with hot water and admit steam into cylinder jacket.
* Observes gauges and turns valves to regulate temperature and pressure.
* Turns valves to drain water, reduce pressure, and refill cylinder with coolant to set softened and compressed stock.
* Drains coolant from cylinder and removes debubblized rods from cylinder chamber.
* Records number and type of rods processed.
Industry:Professional careers
A professional who tends drying room in which pyrotechnics (fireworks) are cured, dried, or stored. Respnsibilities include:
* Stores trays of pyrotechnics on racks according to date of processing.
* Observes room thermometers and moves controls of blower heater to keep drying room temperature within prescribed limits.
* Issues stored pyrotechnics to workers according to date of processing or removes materials at expiration of specified period and stores them in metal containers for further processing.
Industry:Professional careers
A professional who tends steam heaters or presses that shape and cure rubber floor mats. Respnsibilities include:
* Positions sheets of precut calendered rubber on molds.
* Turns valve to activate vacuum fixtures that draw and hold rubber against contours of molds.
* Examines molds to ascertain that rubber sheet covers mold and smooths out wrinkles.
* Removes excess rubber from mold, using knife or roller.
* Pushes switch to close press and move heater carriage into heater.
* Turns valve to admit steam and sets timer for specified curing time.
* Strips cured mats from mold.
* Examines mats for defects, such as discoloration, misforming, blisters, and cracks.
* Marks defective mats for repair and places them on skids.
Industry:Professional careers
A professional who tends equipment, such as cylindrical ovens, horizontal pot heaters, tunnel driers, or atmospheric heaters that shrink, cure, or remove moisture from natural or synthetic rubber materials or products. Respnsibilities include:
* Loads or feeds rubber materials or products, such as sheets of raw rubber, devulcanized scrap rubber, rubber coated fabric, or rubber products into oven, using trays, racks, handtrucks, or conveyors.
* May lift fabric rolls onto letoff rack of heater, using hoist, and thread fabric between feed rollers and onto takeup roll. May turn controls to regulate speed and amount of materials conveyed through heated chamber.
* Turns heater valves to admit steam or regulate temperature and to admit ammonia when specified.
* May start blowers to circulate air.
* Removes product or material from oven after specified time.
* May be designated according to product dried as drier; drier operator; drier tender.
Industry:Professional careers
A professional who tends section of single- or double-deck platen press to cure rubber transmission and conveyor belting under direction of belt-press operator i, working as crewmember. Respnsibilities include:
* Positions guide stops in press to cure belting to specified thickness and width.
* Sprays press with solution to prevent adherence to belt during cure.
* Helps crew pull belt from roll onto press.
* Lifts empty roll shell onto windup rack and adjusts guides and speed of windup as belt goes onto roll after cure.
* Adjusts knives to trim rind from belt.
* May guide belt over pricker roll prior to going into windup after cure.
* May signal overhead crane operator to lift and position belt rolls from windup rack to storage area.
Industry:Professional careers
A professional who tends furnace and shaker screens to produce boneblack animal charcoal from ground bones. Respnsibilities include:
* Turns dial on control panel to start feed of ground bones to furnace and turns handwheel to adjust oscillating speed of shaker screens to maintain uninterrupted production.
* Observes recording thermometer to verify specified temperature in furnace.
* Inspects conveyors, vibrating feeders, and shaker screens for clogging or malfunction.
* Tightens drive belts, using wrenches and other handtools.
* Gives directions to other workers in spreading boneblack over cooling floor and in loading cooled boneblack onto conveyors.
Industry:Professional careers
A professional who tends cabinet or room-type driers that heat liquids or slurries to remove water or other volatile liquid components. Respnsibilities include:
* Shovels or dumps materials into pans and places them on drier shelves, in racks, or on wheeled trucks that are pushed into drier.
* Observes thermometer and humidity gauge, turns steam or fuel valves, and moves controls to maintain temperature, humidity, and air circulation in drier, according to specifications.
* Shuts down drier at end of drying cycle or on notification by control laboratory.
* Unloads driers or notifies other workers to remove dried material.
* May weigh dried materials and fill bags or other containers.
* May feel materials to ascertain dryness.
Industry:Professional careers
A professional who tends drum drier that dries activated carbon sludge, used in variety of industrial and consumer applications. Respnsibilities include:
* Sets drier controls and starts sludge pumps and agitators to dry product that meets prescribed standard.
* Turns valves to increase water content of sludge to prevent caking, according to hydrometer readings supplied by other workers.
Industry:Professional careers
A professional who tends equipment that burns condensed black liquor into black ash. Respnsibilities include:
* Turns valves to regulate spray of black liquor into cyclone drier and flow of air through drier to dry black liquor to specified concentration.
* Determines moisture content of liquor, using moisture testing equipment.
* As directed, turns rheostat to adjust mechanism in mixing tank to feed salt cake into black liquor prior to burning.
* Turns valves as directed to channel steam into evaporators or into main line.
* Pushes steam lance through boiler tubes or turns crank that rotates steam jets through boiler to blow out soot and sludge.
* Scrapes sludge from interior of furnace, using scraper and rake.
Industry:Professional careers
A professional who tends dry houses, cell driers, or drying ovens that remove solvent and contaminants from plastics materials. Respnsibilities include:
* Observes temperature and moisture gauges and turns controls to control drying process.
* Unloads driers or notifies workers to unload ovens.
Industry:Professional careers
