- Domeniu: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who operates sand mill that grinds premixed paint ingredients to disperse solid ingredients in vehicle. Respnsibilities include:
* Starts mixer to combine ingredients settled in portable tub.
* Hangs hose in tub and attaches opposite end to sand mill intake.
* Turns valve to circulate cooling water through jacket to prevent mill overheating.
* Presses buttons to start mill agitator and pump.
* Draws paste sample to test for dispersion, using grind gauge, and adjusts pump speed as indicated by test results.
* Turns lever to open gate and starts pump to discharge ground mixture from machine.
* Washes residue from filter screen, using brush and solvent.
* Starts pump to clean sand mill and hose system, using solvent.
Industry:Professional careers
A professional who operates mills equipped with grinding stones to grind paint or paint ingredients to specified fineness. Respnsibilities include:
* Weighs ingredients, such as pigments and oil on scale and dumps them into feed hopper of mill.
* Starts mill and turns valve to admit steam into mill jacket to heat ingredients.
* Feels or examines mixture to determine fineness of grind.
* Turns screws to set clearance between grinding stones to grind ingredients to specified fineness.
* Opens valve or starts pump to transfer mixture into cooling and storage tanks.
* Cleans millstones, hoppers, and scrapers, using hot water hose, solvent, and brushes.
* Replaces worn grinding stones, using handtools and hoist.
Industry:Professional careers
A professional who tends machine that cuts strands of nitrocotton or pyrocotton into smaller segments for processing. Respnsibilities include:
* Pumps nitrocotton slurry to feed tanks, starts beater blades, and opens valves to force slurry against blades.
* Turns handwheel to adjust speed of blades during operation according to gauge reading and process specifications, to produce uniformly beaten product.
* Pumps beaten slurry over sieve to remove water.
* Submits samples of batch to laboratory for approval of product texture.
* Starts agitators in tub to loosen nitrocotton and pumps it into poaching tubs for removal of impurities.
Industry:Professional careers
A professional who tends machine that crushes animal bones used in manufacturing animal glue. Respnsibilities include:
* Starts bone crushing machine conveyor that carries bones into crushing machine.
* Pushes button to start second conveyor that carries crushed bones from machine into cooking tanks for further processing.
* May tend hydraulic press that extracts grease and glue from cooked bones and be designated Steam-Bone-Press Tender.
Industry:Professional careers
A professional who tends machine that crushes animal bones used in manufacturing animal glue. Respnsibilities include:
* Starts bone crushing machine conveyor that carries bones into crushing machine.
* Pushes button to start second conveyor that carries crushed bones from machine into cooking tanks for further processing.
* May tend hydraulic press that extracts grease and glue from cooked bones and be designated Steam-Bone-Press Tender.
Industry:Professional careers
A professional who tends battery of machines that grind and filter copra (dried coconut meat) into coconut oil and meal. Respnsibilities include:
* Turns valves to regulate flow of steam that heats crushing machine to specified temperature.
* Starts conveyors, crushing machines, and expeller and signals worker to start feeding copra into feed hoppers.
* Feels ground copra to ensure that texture conforms to specifications.
* Observes oil flowing from expeller for presence of excess solids, and feels coconut meal to determine if meal contains excessive oil.
* Observes gauges and clarity of oil leaving filter presses to determine if pressure inside filters is within specified limits.
* Transfers oil to standby filter presses when clarity or pressure deviates from prescribed standards.
* Records oil and meal production in log.
Industry:Professional careers
A professional who tends mill and separating equipment that grinds scrap or devulcanized rubber to reclaim and reprocess rubber. Respnsibilities include:
* Turns handwheel to adjust clearance between corrugated rollers of machine to accommodate stock.
* Loads rubber into machine hopper.
* Starts machine and observes stock to ensure passage through rollers.
* May use magnetic device to remove metal particles from ground scrap rubber.
* Moves handtrucks, containing rubber stock, into position for loading.
* May clean or replace clogged shaker screen that sifts out oversize pieces.
* May pick bead wires from ground rubber tire scrap.
* May be designated according to type of grinding as fine grinder.
Industry:Professional careers
A professional who tends roll mill that crushes and disperses particles of pigment material in batches of viscid organic pigments. Respnsibilities include:
* Starts roll mill, and scoops or pours batch of viscid organic pigment into hopper of roll mill.
* Observes distribution of pigment particles on roll of mill, and moves lever to adjust rollers to ensure even grinding and distribution of pigment particles in viscid batch.
* Places container at discharge end of mill to collect batch.
* Clamps lid on container to prepare container for shipment.
* Cleans roll mill, using solvent, brush, and cloth.
Industry:Professional careers
A professional who tends mill equipped with scratcher that granulates color mix for use in hard-surface floor covering. Respnsibilities include:
* Adjusts roll clearance and speed of scratcher motor to attain required particle size, using handtools.
* Starts scratch mill, and positions pans under discharge trough to receive granulated mix from scratch mill.
* Records number of pans filled.
* Records color and pattern data on tickets and affixes tickets to loaded handtrucks.
* Pushes handtrucks to storage area.
* May weigh and add oils or other liquid materials to mix as required.
* May be designated according to task performed as color receiver.
Industry:Professional careers
A professional who tends roller mill and auxiliary equipment, such as pumps and agitators (reaction vessels) that facilitate production of phosphoric acid by strong-acid process from reaction of sulfuric acid with ground phosphate rock.
* Pumps acid into tank trucks and loads ground phosphate rock into hopper trucks as directed.
Industry:Professional careers
