- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who controls equipment to purge and wash reactors used in polymerization of isobutylene to produce butyl rubber slurry. Respnsibilities include:
* Starts pumps and agitators.
* Turns valves to line up streams for wash cycles and to evacuate slop naphtha and trapped gas.
* Defrosts frozen valves, using steam hose.
* Turns pump valves to drain refrigerant from reactor chilling jackets into storage drums, to purge chilling jackets with hot refrigerant, and to flush reactor vessels with hot feed stock and flash tanks with steam.
* Starts pumps to exhaust gases and vapors through flash tanks.
* Starts pumps and agitators to wash and rinse reactor vessels with hot naphtha.
* Admits natural gas under pressure to exhaust naphtha from reactors.
* Observes control panel to verify temperatures, pressures, and flow rates required to return reactors to service.
* Records operating data in log.
Industry:Professional careers
A professional who controls equipment and tends machines to produce variety of pharmaceutical and toilet products or ingredients, performing any combination of following duties. Respnsibilities include:
* Weighs and measures out coating ingredients and coats medicinal tablets.
* Tends mixing machine and heated kettles to prepare specified ingredients for ointments, creams, liquid medications, powders, gums, and similar drug products, adding ingredients according to formulas.
* Tends milling and grinding machines that reduce mixtures to designated sized particles, or grinds materials with mortar and pestle.
* Prepares granulated products.
* Tends filter presses, sifting machines, autoclaves, water stills, and related equipment to prepare ingredients for further processing.
* Operates machine to compress ingredients into tablets.
* Inspects, weighs, and tests hardness of tablets.
* May be designated according to substance prepared as Liquid Compounder.
Industry:Professional careers
A professional who sets up and operates small-scale chemical production equipment under laboratory conditions to test methods and chemical processes for product development, following specifications and guidance from research chemists or engineers. Respnsibilities include:
* Sets up production equipment, such as reactors, stills, stripping towers, separators, and blending tanks, using mechanics' handtools and portable power tools.
* Starts pumps and compressors.
* Turns valves to regulate equipment temperatures, pressures, flow rates, and liquid levels, following process specifications or instructions of technical personnel.
* Observes meters and gauges to verify process conditions.
* Performs standard quantitative or qualitative chemical analyses, such as titration, distillation, caustic-insoluble, and color-measurement tests, to verify process conditions and compile research data.
* Mixes chemical solutions as directed for use in tests.
* Prepares operating records and reports of test results.
* May adjust and repair mechanical and electronic testing equipment, using handtools, circuit diagrams, and maintenance manuals.
Industry:Professional careers
A professional who operates shredding and filtering equipment and pumps to process woodpulp into alkali cellulose. Respnsibilities include:
* Mounts roll of woodpulp sheeting on unwind stand, and inserts end of roll into shredder.
* Monitors recording and controlling instruments, and presses buttons and turns valves to regulate speed of pumps and flow of materials through caustic treatment and filtering process.
* Inspects filters and filter presses, and cleans equipment, using water hose.
* Records production figures.
* May operate lift truck to convey pulp rolls from storage area to shredding room.
Industry:Professional careers
A professional who controls equipment that produces soap according to formula. Respnsibilities include:
* Opens valves to charge kettle with prescribed amounts of ingredients.
* Turns valve to admit steam through bottom of tank to boil and agitate mixture.
* Observes mixture through opening in top of tank to detect variations of color, consistency, and homogeneity of boiling ingredients.
* Adds soda or water to mixture as directed by laboratory; or determines degree of alkalinity of caustic soda in mixture, using meter, and adds soda or water as required.
* Observes color, consistency, and homogeneity of product to determine when boiling and agitating cycle are completed, and allows batch to cool and settle for specified period of time.
* Raises or lowers pumpline to locate separation level of neat (pure soap) and nigre (residue).
* Starts pump to transfer neat to designated department.
* Lowers pump line to bottom of tank to transfer residue to reclaiming tank.
* May calculate amount of ingredients needed to make various soaps, using formula.
Industry:Professional careers
A professional who controls equipment that produces soap according to formula. Respnsibilities include:
* Opens valves to charge kettle with prescribed amounts of ingredients.
* Turns valve to admit steam through bottom of tank to boil and agitate mixture.
* Observes mixture through opening in top of tank to detect variations of color, consistency, and homogeneity of boiling ingredients.
* Adds soda or water to mixture as directed by laboratory; or determines degree of alkalinity of caustic soda in mixture, using meter, and adds soda or water as required.
* Observes color, consistency, and homogeneity of product to determine when boiling and agitating cycle are completed, and allows batch to cool and settle for specified period of time.
* Raises or lowers pumpline to locate separation level of neat (pure soap) and nigre (residue).
* Starts pump to transfer neat to designated department.
* Lowers pump line to bottom of tank to transfer residue to reclaiming tank.
* May calculate amount of ingredients needed to make various soaps, using formula.
Industry:Professional careers
A professional who prepares culture media used to develop vaccines and toxoids or to conduct chemical, microscopic, and bacteriologic tests. Respnsibilities include:
* Measures and weighs ingredients, such as food source, chemicals, preservatives, and vitamins, to prepare growth medium, using scales, graduated flasks, syringes, pipettes, and standard formulas.
* Adjusts controls of equipment, such as pumps, filters, steam kettles, and autoclaves, to obtain uniform consistency of sterile medium.
* Removes sample of medium from batch and tests sample for consistency, potency, and sterility, according to standardized procedures.
* Pours medium or adjusts controls on automatic equipment that dispenses medium into containers, such as petri dishes, test tubes, or storage drums.
* Seals containers and prepares and affixes identification labels to containers.
* Maintains production and test records.
* May order supplies.
* May mix ingredients to prepare stains used in tests.
Industry:Professional careers
A professional who inspects mixing, drying, storage, packaging, and arrangements for transportation of explosives to determine that processing specifications and safety measures are followed. Respnsibilities include:
* Observes processing of explosive and notes condition of ingredients for qualities, such as dryness, even texture, and absence of solvents.
* Verifies accuracy of scales used.
* Observes transfer of powder from shipping containers to cans used to carry powder through loading process.
* Examines filled cans for specified packing slip and for colored stripe indicating uses for which powder is intended.
* Inspects plant periodically for adherence to safety regulations and prepares written reports on compliance with such regulations.
Industry:Professional careers
A professional who measures temperature and humidity in vicinity of machine that transforms liquid polymers, cellulose, or other materials into synthetic fibers by dry spinning (forming) process, to detect deviations from plant standards. Respnsibilities include:
* Takes humidity readings near spinnerettes through which fibers are extruded into air, using hygrometer or similar humidity gauge.
* Reads thermometers and temperature-recording charts on machine.
* Notifies machine operator or other personnel when temperature or humidity conditions are not within specified range, to facilitate equipment adjustments for production of fibers having prescribed characteristics.
* May compute humidity readings, using wet-bulb and dry-bulb thermometer and standard procedure.
* May turn valves or move controls to regulate machine or process conditions, according to changes in temperature or humidity.
Industry:Professional careers
A professional who operates machines to mold and cut composition rubber rollers used to coat or lithograph tinware. Respnsibilities include:
* Dumps cold rubber in melting reservoir of machine and turns steam valves to melt rubber.
* Starts agitator to stir melting rubber.
* Places core of roller in molding chamber of machine, using hoist.
* Bolts plates on ends of molding chamber, using wrench.
* Turns air valve to force melted rubber into mold, and turns water valves to cool mold.
* Removes molded roller and places it in chuck of cutting machine.
* Installs knives on cutting bar.
* Positions bar and turns crank to rotate chuck and cut circumference or end of roller.
* Replaces worn felt coverings on padding rollers.
* Slips felt jackets over roller core and sews end of felt around roll, using needle.
* Sorts and stacks rolls in rack.
* Records number and type of rolls, cores, and materials used, shipped, or received.
Industry:Professional careers
