- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who operates equipment to cook and mix materials, such as starch, casein, resin, chemicals, and fillers, according to formula to make size for pulp paper. Respnsibilities include:
* Turns valves to fill cooking vats with metered volumes of liquid ingredients and dumps specified amounts of solid ingredients into vats according to formula.
* Turns steam valves or adjusts burner to maintain specified temperature in vats for cooking starch, resin, or casein with water, lime, and chemicals.
* Opens drain valve or starts pump to transfer cooked material to mixing machine, dumps specified weights of alum, lithopone, clay, or titanium dioxide into machine, and starts machine to mix ingredients for specified length of time.
* Adds chemicals to mixture, according to specification, to prevent decomposition.
* Drains or pumps size to specified storage tanks.
Industry:Professional careers
A professional who controls series of vats that boil tanbark, quebracho, chemicals, and water to prepare tanning solution. Respnsibilities include:
* Weighs specified amounts of materials on scale and dumps them into vat.
* Opens valves to admit water and steam into vat.
* Adjusts steam valve to maintain solution at specified temperature.
* Tests sample of solution for specific gravity, using hydrometer.
* Adds materials to solution to obtain solution of specified gravity.
* Starts pump to transfer solution from vat to storage tank.
* May grind bark or wood, using grinding machine.
Industry:Professional careers
A professional who prepares coagulating bath used to transform cellulose slurry into rayon filaments, according to formula or proportion chart and process specifications. Respnsibilities include:
* Measures prescribed types and quantities of bath ingredients, depending on forming process used in plant.
* Dumps or pumps ingredients, such as caustic soda or sulfuric acid, sodium sulfate, zinc sulfate, and glucose into mixing tank for transfer to trough containing water into which slurry is extruded.
* Tests acidity or alkalinity of bath at specified intervals, using pH meter, and adds additional ingredients to maintain solution at prescribed standard.
* May be designated Acid-Correction Hand in plants producing rayon by viscose process.
Industry:Professional careers
A professional who mixes dyes and chemicals for use in dyeing products, such as fabrics, hosiery, and yarns. Respnsibilities include:
* Weighs out quantities of powdered or liquid dyes and chemicals, following formula sheet.
* Pours dyes and chemicals into pail or mixing tank and turns valve to admit water into tank or pail up to mark on container wall.
* Stirs ingredients with paddle and injects steam into solution to dissolve dye.
* Dumps contents of pail into supply tank or turns valves to transfer dye solution from mixing tank to supply tanks in dye room.
* Inventories dyes and chemicals and notifies supervisor dyer as supplies are needed.
* May be designated according to dye mixed as Indigo Mixer.
Industry:Professional careers
A professional who mixes stains, paints, and other coatings for use in painting according to formulas. Respnsibilities include:
* Pours pigments, paint paste, vehicle, and thinner into can.
* Stirs mixture with paddle.
* Compares mixed liquid with desired color sample to ensure that it matches.
* May blend colors to obtain desired shades.
* May test specific gravity of mixture, using hydrometer.
* When mixing colors for spray painting, may be designated Spray Blender.
Industry:Professional careers
A professional who weighs and blends powdered ingredients to form priming mixtures for small arms ammunition. Respnsibilities include:
* Weighs specified amounts of pulverized and sifted ingredients and filters them by hand in prescribed order through silk screen onto blending paper.
* Lifts each corner of paper and pulls slowly toward diagonally opposite corner to fold and blend powder until examination of color shade indicates blending is accomplished.
* Pours mixture from paper into cardboard containers and marks containers with identifying data.
Industry:Professional careers
A professional who mixes silver solutions for spraying lacquer disks (original recording). Respnsibilities include:
* Measures prescribed quantities of premixed silver solution and combines with distilled water.
* Tests mixed solution for conformity to standards, using laboratory test equipment.
* Deposits mixture in containers or spray tanks.
* May analyze plating solutions for conformity to standards.
Industry:Professional careers
A professional who tends machine that blends batches of flushed colors derived from coal tar hydrocarbons. Respnsibilities include:
* Dumps specified flushed pigments or dyes into tub of machine, using hoist.
* Adds specified chemicals to batch according to product specifications.
* Starts agitator to mix ingredients for specified time.
* Turns valves to pump blended pigments or dyes into storage tanks or drums.
Industry:Professional careers
A professional who tends machine that mixes ground scrap rubber with pigments, caustics, and oils to prepare rubber for devulcanization. Respnsibilities include:
* Pulls slide on gravity chute or shovels ground scrap rubber into weigh hopper.
* Pulls lever to dump scrap rubber from weigh hopper into mixer.
* Measures and weighs pigments, caustics, and oils according to formula, and dumps or drains them into mixer.
* Starts machine that mixes materials for specified time.
* Pulls lever to release mixture from machine into pans.
* Lifts pans onto heater cars by hand or with hoist.
* Signals worker to move pans of mixed stock into heaters.
* May tend cracker mill that grinds scrap rubber into particles.
* May unload heaters and dump devulcanized scrap rubber from pans.
* May line pans with waxed paper or sprinkle with pulverized soapstone to prevent rubber from sticking.
Industry:Professional careers
A professional who tends machine that mixes synthetic or natural rubber with solvents and chemicals to produce liquid rubber cement. Respnsibilities include:
* Weighs and measures specified amounts of rubber, chemicals, and solvents, according to mixing instructions.
* Breaks down full batch formulas into partial batches and samples.
* Presses buttons to activate electrically driven paddles that stir mixture, or stirs mixture by hand, using paddle.
* Opens petcock of mixer to discharge cement into cans, or opens pipeline valves to transfer cement.
* Records types of cement mixtures and production of each.
Industry:Professional careers
