- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends centrifuges which separate plasma from whole blood for extraction of plasma. Respnsibilities include:
* Packs plastic bags containing freshly drawn whole blood (whole blood units) into designated containers in centrifuge.
* Fastens centrifuge cover and depresses switch to activate centrifuge mechanism.
* Removes centrifuged whole blood units after designated time, examines each to confirm separation of plasma from whole blood, and places each whole blood unit in plasma extractor, positioning holes at top of plastic bag on metal prongs.
* Inserts plastic tube of transfer unit into each whole blood unit and observes process as plasma is extracted from upper portion of plastic bag into bottle, to make certain that no red blood cells are drawn into plasma bottle.
* Seals off bottle and returns plasma bottle to rack.
* Removes blood unit from holder and gives to nursing personnel for return to donor.
* Marks each plasma bottle with blood group as indicated on plastic bag to assure separation of blood groups and prevent cross-contamination of blood groups during fractionation.
* Stores filled bottles of plasma in freezer.
* Cleans centrifuges and work area.
Industry:Professional careers
A professional who tends battery of machines that tumble metal or plastic buttons in wire mesh barrels to remove mold flash (fins) or rough edges. Respnsibilities include:
* Loads barrel with buttons.
* Pours specified amounts of cleaning compound into barrel.
* Bolts on lid and starts machine to rotate barrel and tumble buttons for specified length of time.
* Shakes sifter to separate buttons from cleaning compound and shot (ball bearings).
Industry:Professional careers
A professional who dips assembled electrical equipment components into materials, such as varnish, enamel, or asphalt to insulate wires and coils and tends oven that dries dipped components. Respnsibilities include:
* Pours dipping solution into vat and measures consistency with hydrometer, adding thinner to control density.
* Sets vat thermostat at prescribed temperature.
* Hangs or bolts components to be dipped, such as armatures or transformers, on racks, lifts them manually or by use of hand-operated hoist, and immerses them in vat for prescribed time.
* Removes components and places them on racks to drain.
* Sets oven temperature controls and places dipped units in oven to bake and dry for specified time.
* May clean and coat electrical leads by dipping them in molten solder.
* May paint armatures and field coils, using brush, or pour insulating compound over coils.
* May be designated according to unit impregnated as armature varnisher; field-coil enameler.
Industry:Professional careers
A professional who tends machines that coat continuous rolls of wire, strips, or sheets with wax, paint, rubber, asphalt, or other coating material. Respnsibilities include:
* Places roll of material onto feed spindle of machine.
* Threads end through feed and guide rolls into dipping vat or onto transfer roll and through drying oven and attaches it to rewind spindle.
* Fills boxes or vats with coating solution, such as asphalt or liquid rubber.
* May sew, crimp, or staple ends of material to form continuous roll.
* May be designated according to impregnating material used as enamel-machine operator; varnishing-machine operator; waxing-machine operator.
Industry:Professional careers
A professional who tends equipment that cleans and reshapes cotton, silk, or woodpulp used as filtering material in filter press to filter liquids, such as alcoholic beverages, gelatin, and glue. Respnsibilities include:
* Removes dirty filter cakes from filter press, using handtools.
* Transfers filter cakes from filter press, using handtruck, and drops filter cakes into prebreaker machine that reduces filter cakes to loose, wet pulp.
* Pumps wet pulp to washing machine.
* Opens valves to admit and circulate water or steam in washer.
* Opens screen-covered drain in bottom of washer and continues washing pulp until drain-water runs clear.
* Pumps clean pulp to storage tank.
* Opens valve to move pulp from storage tank into hydraulic press.
* Starts hydraulic press that squeezes water from pulp and forms pulp into filter cake.
* Removes clean filter cake from hydraulic press, and transfers clean filter cake to filter press, using handtruck.
* Washes filter press plates, using hose and hot water.
* Installs filter cake into filter press, using handtools.
Industry:Professional careers
A professional who tends equipment that cleans and reshapes cotton, silk, or woodpulp used as filtering material in filter press to filter liquids, such as alcoholic beverages, gelatin, and glue. Respnsibilities include:
* Removes dirty filter cakes from filter press, using handtools.
* Transfers filter cakes from filter press, using handtruck, and drops filter cakes into prebreaker machine that reduces filter cakes to loose, wet pulp.
* Pumps wet pulp to washing machine.
* Opens valves to admit and circulate water or steam in washer.
* Opens screen-covered drain in bottom of washer and continues washing pulp until drain-water runs clear.
* Pumps clean pulp to storage tank.
* Opens valve to move pulp from storage tank into hydraulic press.
* Starts hydraulic press that squeezes water from pulp and forms pulp into filter cake.
* Removes clean filter cake from hydraulic press, and transfers clean filter cake to filter press, using handtruck.
* Washes filter press plates, using hose and hot water.
* Installs filter cake into filter press, using handtools.
Industry:Professional careers
A professional who assists impregnator and drier in impregnating electrical products, such as capacitors, coils, and stators, performing any of the following duties. Respnsibilities include:
* Loads capacitors into ovens, using hoist, and connects filler pipe of each capacitor to pipes of vacuum system.
* Turns valves to start and stop vacuum and regulates control equipment during impregnation process under supervision of impregnator and drier.
* Reads vacuum gauges and capacitance bridge to determine degree of vacuum and capacitance and records or reports readings to impregnator and drier.
* Cleans ovens and work areas, using solvent and brushes.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who assists impregnator and drier in impregnating electrical products, such as capacitors, coils, and stators, performing any of the following duties. Respnsibilities include:
* Loads capacitors into ovens, using hoist, and connects filler pipe of each capacitor to pipes of vacuum system.
* Turns valves to start and stop vacuum and regulates control equipment during impregnation process under supervision of impregnator and drier.
* Reads vacuum gauges and capacitance bridge to determine degree of vacuum and capacitance and records or reports readings to impregnator and drier.
* Cleans ovens and work areas, using solvent and brushes.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who tends automatic equipment that sprays fabricated plastic articles with lacquer. Respnsibilities include:
* Pours premixed lacquer into machine reservoir.
* Places fabricated plastics articles into enclosed spray booth, closes door, and moves lever to activate spraying equipment.
* Releases lever after articles appear thoroughly coated.
Industry:Professional careers
A professional who tends oxidizing tank that produces dark, lusterless, decorative finish on surface of metal articles, such as door lock parts, buttons, buckles, and small-arm parts. Respnsibilities include:
* Places containers of workpieces in tank of oxidizing solution for specified time.
* Dips articles in successive baths to neutralize oxidation.
* May start tumbling barrel to dry oxidized pieces in sawdust.
* May mix chemical solutions according to formula.
* May tend degreasing tank to clean workpieces before oxidizing.
Industry:Professional careers
