Job Descriptions

Crystal Cutter Job

1. Grinds improperly fitting watch crystals to specified size and to remove rough or chipped edges, using abrasive wheel. 2. Brushes crystal with lacquer and dries crystal under heat lamp to protect surface of crystal. 3. Examines and measures crystals to ensure conformance to specifications, using loupe, calipers, and micrometer.





Cryptographic-Machine Operator Job

1. Operates cryptographic equipment to code, transmit, and decode secret messages for units of armed forces, law enforcement agencies, or business organizations: Selects required code according to instructions, using code book. 2. Inserts specified code card into machine station to program encoding machine. 3. Types plain text data on keyboard …

Cryolite-Recovery Operator Job

1. Operates machines to recover cryolite from scrap potlining: Sets mill gauge to specified feed rate and adjusts air volume, according to screen analysis from laboratory. 2. Sets hearth rheostats and heat controller to specified temperature, and turns valves to adjust rate of flow of steam and oil to burners. …

Crutcher Helper Job

1. Weighs and dumps specified dry materials into feeder hopper of crutcher equipment, that forms slurry for processing into soap powder: Opens valves of supply tanks and waterlines to add prescribed liquid and paste. 2. Mixes dye according to specifications and dumps dye into batch. 3. Changes and cleans strainers. …

Crutcher Job

1. Tends machines that mix specified quantities and types of liquid, powder, and paste ingredients to form slurry for processing into soap products, such as bars, flakes, chips, and granules: Pulls slide from discharge chute of hopper to admit preweighed dry materials into tank, or shovels preweighed solid ingredients into …

Crushing-Machine Operator Job

1. Tends machine that crushes grapes to form must for use in making wine: Starts machine and regulates rate of flow of grapes into crusher. 2. Opens outlet valves to drain must into fermenting tanks. 3. Starts refuse conveyor that removes stems from machine. 4. Removes debris from crusher reservoir …

Crusher-And-Binder Operator Job

1. Tends machine that grooves balls of twine: Inserts wooden peg through ball of polished twine and places peg with ball into machine. 2. Starts machine and holds end of peg while machine presses groove around ball. 3. Stops machine and removes ball. 4. Unwinds length of twine and ties …

Crusher Tender Job

1. Tends any of several types of crushers that size materials, such as coal, rock, salt, clay and shale, or ore for industrial use or for further processing: Moves levers to regulate flow of materials to and from conveyors, chutes, pumps, or storage bins. 2. Starts crusher, and prods, breaks, …

Crusher Supervisor Job

1. Supervises and coordinates activities of workers engaged in transporting, crushing, and storing ore, skimmings, and other residue. 2. Trains workers in operation of equipment. 3. Performs duties as described under SUPERVISOR Master Title.

Crusher Setter Job

1. Adjusts gaps of cone crushers used to reduce taconite ore to specified size: Lowers lead cone into operating crusher that compresses cone to size of crusher gap. 2. Measures compressed cone with rule to determine amount of adjustment of crusher opening. 3. Signals OVERHEAD CRANE OPERATOR to turn threaded …

Crusher Operator Job

1. Tends conveyors and grinders that crush raw gypsum into specified pebble size: Opens storage gates and starts grinders, feeders, and belt conveyors. 2. Observes flow of materials on conveyors. 3. Cleans carriers and removes wedged rock from conveyors and clogged chutes, using scraper and poker. 4. Opens slide gates …

Crusher Job

1. Crushes cloth to form three-dimensional geometric patterns for fancy linings in caskets: Lays material on female crushing die and fits male crushing die or crushing rod over material and into depression of female die. 2. Steams material on crushing board to set shape, using steam hose. 3. Removes male …

Cruiser Job

1. Cruises forest land to estimate volume of marketable timber and collect data concerning forest conditions for appraisal, sales, administration, logging, land use, and forest management planning: Traverses forest area on foot in established pattern and applies sampling technique. 2. Sights over scale stick to estimate height and diameter of …

Crude-Oil Treater Job

1. Operates chemical, electrical, and centrifugal oil-treatment units to remove sediment and water from crude oil before transporting oil by pipeline to refineries: Opens valves and starts pumps to pump oil from storage tanks to treating units. 2. Opens valves to mix specified chemicals with oil, and adjusts controls to …

Croze-Machine Operator Job

1. Operates crozer machine to cut croze in wooden tank staves, into which tank bottom is fitted: Starts machine. 2. Places stave on machine table, aligns mark on stave with cutoff saw blade, and depresses pedal to clamp stave in position. 3. Pulls saw and dado-cutter assembly across stave. 4. …

Crown-Wheel Assembler Job

1. Attaches watch crown wheel and click to barrel bridge, using tweezers and loupe: Places bridge in holding fixture. 2. Positions and secures crown wheel center over post in bridge and crown wheel over washer, using screw, tweezers, and loupe. 3. Positions and secures click in bridge. 4. Inserts click …

Crown-Assembly-Machine Operator Job

1. Tends machine that inserts and glues cork, paper, plastic, or aluminum foil in bottlecap shells: Pours glue into pot. 2. Turns valves to adjust gas flame for heating glue and to regulate flow of glue into machine. 3. Mounts roll of lining material on machine spindle and starts machine. …

Crown Pouncer, Hand Job

1. Slips unfinished hat over specified size hat block and rubs crown in one direction to remove excess fibers and impart smooth finish. 2. Feels surface of crown to ascertain when specified texture has been attained. 3. Removes hat from block and places it on wheeled rack.

Crown Attacher Job

1. Attaches watch crowns to stem: Inserts stems into chuck of machine and places crown in holding tool. 2. Presses holding tool against revolving stem that automatically screws on crown. 3. May hold stem with pliers and screw crown onto stem by hand.

Crossword-Puzzle Maker Job

1. Devises and creates crossword puzzles: Draws form setting up numbered blank squares for insertion of words and black squares to complete design. 2. Fits words, whose spelling coincides vertically and horizontally, into blank areas and composes short definitions numbered correspondingly with matching series of blank squares. 3. Sets up …

Crossing Tender Job

1. Guards railroad crossing to warn motorists and pedestrians of approaching trains: Consults train schedules and listens for approaching trains from watchtower. 2. Presses button to flash warning signal lights. 3. Presses control button to lower crossing gates until train passes, and raises gate when crossing is clear. 4. May …

Crosscutter, Rolled Glass Job

1. Cuts continuous glass sheet into specified lengths as sheet emerges from drawing or rolling machine and removes defective cross sections, using suspended cutting wheel: Pulls lever to lower cutting wheel. 2. Draws cutting wheel along template across surface of moving glass sheet to divide sheet into specified lengths. 3. …

Crossband Layer Job

1. Stacks glued crossbands alternately with core stock to assemble plywood panels for bonding, working as member of team: Grasps glue-coated crossbands as they emerge from glue spreader and places them cross-grained between back sheet, core stock, and face sheet placed by VENEER-STOCK LAYER until specified ply is obtained. 2. …

Crook Operator Job

1. Operates machine to cut and deburr brass wind instrument tubes, and controls equipment to anneal tubes: Sets length gauge of saw and pushes tubes into rotating blade to cut tubes to specified length. 2. Inserts burring tool into chuck of turning lathe and holds tube ends against rotating burring …