- المجال: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who mixes ingredients according to formula to compound seal used to attach covers to storage-battery containers. Respnsibilities include:
* Weighs specified amounts of ingredients, using gram scale, and dumps ingredients into pail.
* Starts mechanical mixer.
* Lifts pail manually to sink mixer blades into ingredients.
* Determines when ingredients are mixed and lowers pail.
* Pours mixture into metal cylinders for use in hydraulic extrusion press.
* Cleans equipment, using water and brushes.
* May adjust and clean extrusion press, using handtools, brushes, and water.
* May carry covers and seal to extrusion press.
Industry:Professional careers
A professional who mixes ingredients according to formula to compound seal used to attach covers to storage-battery containers. Respnsibilities include:
* Weighs specified amounts of ingredients, using gram scale, and dumps ingredients into pail.
* Starts mechanical mixer.
* Lifts pail manually to sink mixer blades into ingredients.
* Determines when ingredients are mixed and lowers pail.
* Pours mixture into metal cylinders for use in hydraulic extrusion press.
* Cleans equipment, using water and brushes.
* May adjust and clean extrusion press, using handtools, brushes, and water.
* May carry covers and seal to extrusion press.
Industry:Professional careers
A professional who controls equipment, such as vats, thionizer tower, absorbing tower, and autoclave, arranged in series to recover sulfur from coke-oven gas. Respnsibilities include:
* Turns valve to admit coke-oven gas into absorbing tower.
* Starts pumps that force solution containing arsenic compound and soda ash through tower.
* Pumps resulting foul solution into thionizer tower, and admits compressed air to precipitate sulfur and form froth which overflows into tank.
* Filters slurry, and washes salts from caked sulfur.
* Melts sulfur in autoclave, and casts it into pans.
* Determines alkalinity of absorbing solution by titration tests, and directs helper to add soda ash or arsenic compound.
* Observes meters and gauges to control temperature of solution.
* Punches dirt from holes in absorbing tower sprays with bar, and lubricates equipment.
Industry:Professional careers
A professional who controls equipment, such as vats, thionizer tower, absorbing tower, and autoclave, arranged in series to recover sulfur from coke-oven gas. Respnsibilities include:
* Turns valve to admit coke-oven gas into absorbing tower.
* Starts pumps that force solution containing arsenic compound and soda ash through tower.
* Pumps resulting foul solution into thionizer tower, and admits compressed air to precipitate sulfur and form froth which overflows into tank.
* Filters slurry, and washes salts from caked sulfur.
* Melts sulfur in autoclave, and casts it into pans.
* Determines alkalinity of absorbing solution by titration tests, and directs helper to add soda ash or arsenic compound.
* Observes meters and gauges to control temperature of solution.
* Punches dirt from holes in absorbing tower sprays with bar, and lubricates equipment.
Industry:Professional careers
A professional who operates equipment to cool, condense, and separate tar and ammonia from coke-oven gas and pump separated substances to specified locations. Respnsibilities include:
* Turns valves to transfer materials from collecting mains through cooler, scrubbers, and decanter. Starts pumps, reads gauges and thermometers, and adjusts valves to regulate temperatures, pressures, and rate of flow of gas, tar, ammonia liquor, and water.
* Observes flow of tar from decanter and manually adjusts seal to alter level of interface between tar and liquor and regulate liquor settling time.
* Pumps gas to next process, tar to storage tanks, and liquor to collecting mains or to liquor storage tanks.
* Records temperature, pressures, and amount of tar and liquor pumped.
* Repairs pipes, using handtools.
* Turns valves to bypass equipment requiring repair or cleaning.
* May flush interior of coils with hot ammonia liquor to remove tar.
* May adjust and lubricate floats, valves, and other equipment, using handtools and lubricating equipment.
Industry:Professional careers
A professional who operates equipment to size and wash coal for shipment or further processing. Respnsibilities include:
* Starts equipment, such as launders, tables, shakers, sizing screens, and conveyors.
* Regulates flow of coal and water to separate coal from slate, rock, and other foreign material and transfers cleaned and sized coal to loading chutes or storage.
* Observes equipment, gauges, and indicator lights and adjusts equipment to ensure maximum cleanliness of product.
* May lubricate and repair equipment and replace parts, using handtools.
* May test refuse samples to determine coal content, using scales to weigh material precipitated from sample by chemical reaction.
Industry:Professional careers
A professional who operates chemical, electrical, and centrifugal oil-treatment units to remove sediment and water from crude oil before transporting oil by pipeline to refineries. Respnsibilities include:
* Opens valves and starts pumps to pump oil from storage tanks to treating units.
* Opens valves to mix specified chemicals with oil, and adjusts controls to heat mixture to specified temperature.
* Starts centrifugal machines that break up oil and water emulsions and drain off water.
* Opens valves and starts pumps to transfer oil into settling tanks where sediment is precipitated from oil.
* Tests sample in gravity- or centrifugal-separation machine to determine content of oil specified for pipeline transportation.
* Pumps treated oil into pipelines leading to refinery.
* Cleans and lubricates motors, pumps, and other moving parts of units.
* Records data, such as volume of oil treated, operating temperatures of units, and test results.
* May operate pumps at oil well sites.
* May tend treating-plant equipment to remove impurities from natural gas.
Industry:Professional careers
A professional who tends centrifuge separator that purifies used coolant oils from rolling mill machines. Respnsibilities include:
* Opens valves and starts pumps to transfer oil from machine pit tanks to holding tank.
* Pulls control levers to add specific amounts of sulfuric acid and water to oil.
* Opens valves to allow mixture to flow through centrifuge and back to pit tanks of machine.
* Orders supplies of oil and acid from storeroom and keeps records of solutions used.
* Delivers samples of purified oil to laboratory.
* Replaces filters in centrifuge and cleans centrifuge disks, using wire brush and rags.
Industry:Professional careers
A professional who tends shaking screen and conveyor that screen coke to specified size and load it into bins. Respnsibilities include:
* Estimates amount of coke needed in bins.
* Starts conveyors and screens, and signals coke loader to unload contents.
* Turns handwheel to adjust vibration rate of screen.
* Lubricates screen eccentrics and conveyors, using grease gun and oilcan.
* Patches screens, and assists in changing vibrator coils and splicing belts, using handtools.
* Cleans walks and floors, using broom and shovel.
Industry:Professional careers
A professional who tends shaking screen and conveyor that screen coke to specified size and load it into bins. Respnsibilities include:
* Estimates amount of coke needed in bins.
* Starts conveyors and screens, and signals coke loader to unload contents.
* Turns handwheel to adjust vibration rate of screen.
* Lubricates screen eccentrics and conveyors, using grease gun and oilcan.
* Patches screens, and assists in changing vibrator coils and splicing belts, using handtools.
* Cleans walks and floors, using broom and shovel.
Industry:Professional careers
