Job Descriptions

1. Breaks rocks into small pieces for use in fabricating novelties, such as mineral specimen cards, ash trays, book ends, and paperweights, using hammer.

1. Splits rough dimension stone into smaller units, such as paving blocks, ashlar, or rubble, using airhammer, wedges, and shims: Scans stone to determine rift and grain lines of splitting, usually at right angles to each other. 2. Chips rough edges from stone, using chipping hammer. 3. May be designated …

1. Supervises and coordinates activities of train and engine crews on train carrying freight: Measures height and width of special loads to ensure that load limits are in accordance with rules and regulations, and that load will pass through tunnels and over bridges and trestles on scheduled route. 2. Ensures …

1. Drives completed motor vehicle onto roller drums of computerized roadability machine that tests mechanical and electrical systems of vehicle: Drives vehicle onto roller drums of test machine, and connects computer cables of machine to terminals of vehicle instrument control panel. 2. Moves shift lever through range of gears, to …

1. Drives and operates truck equipped with tank to spray oil or bituminous emulsions on road surfaces: Connects hose from storage tank to truck tank and moves lever to fill pressure tank with bituminous liquid. 2. Regulates burner to heat liquid. 3. Starts auxiliary pump. 4. Drives truck at constant …

1. Drives heavy rolling machine to compact earth fills, subgrades, flexible base, and bituminous surface to grade specifications preparatory to construction of highways, streets, and runways: Moves levers, depresses pedals, turns handwheels, and pushes throttle to control and guide machine. 2. Drives machine in successive overlapping passes over surface to …

1. Sets up and operates riveting machine to rivet together parts fabricated from materials, such as sheet metal and plastic, according to work orders and specifications: Positions, aligns, and bolts specified dies over anvil and ram of machine and positions fixtures in machine bed, using micrometer, rule, gauge, shims, and …

1. Tends riveting machine that rivets together parts fabricated from materials, such as plastic, cloth, or leather: Aligns holes of workpieces. 2. Inserts rivet shank through holes or onto anvil of machine. 3. Positions rivet or holes of workpieces over anvil or against fixtures. 4. Presses pedal to lower ram …

1. Tends machine that punches holes in garments for insertion of reinforcing rivets: Places garment or garment part on bed of machine with section to be punched, such as pocket corner, under punch. 2. Depresses pedal to lower punch and pierce hole in material.

1. Sets up and operates riveting machines that automatically drill, countersink, and rivet aircraft assemblies, such as wing panels and fuselage sections: Reads and interprets blueprints, engineering drawings, and specifications to determine setup and operating procedures. 2. Positions, aligns, and levels parts to be assembled in machine locating tools, or …

1. Operates hydraulic riveting machine to rivet steel plate sections together: Selects dies according to size of rivet and type of head to be formed and installs dies in machine, using wrench. 2. Signals RIVETER HELPER to hoist plates into position, line up rivet holes with rivet die, insert hot …

1. Rivets together parts, such as structures, plates, and castings, using pneumatic hammer: Inserts die, corresponding to size of rivet head, in head of hammer. 2. Places die against shank of rivet held in hole by RIVETER HELPER or by clamping fixture, and presses trigger to pound and shape head …

1. Performs any combination of following tasks to assist in riveting structural parts or assemblies together: Lifts structural parts into position for riveting, using hoist. 2. Aligns rivet holes, using clamps, duft pins, and hammer. 3. Bolts parts together to temporarily secure structure for riveting, using impact wrench. 4. Pushes …

1. Secures rivets in prepunched holes of garment parts, such as overall pockets, to reinforce them: Pushes soft metal rivet through hole in material and rests base of rivet on anvil. 2. Slides rivet burr over upper end of rivet, holds rivet set over upper end of rivet, and strikes …

1. Rives logs or wooden blocks into bolts, pickets, posts, shakes, or stakes, using handtools, such as ax wedges, sledgehammer, froe, and mallet: Drives wedge into log with ax and sledgehammer to split log along grain to form posts or bolts. 2. Positions froe on block according to grain and …

1. Tends furnace that heats rivets to specified temperature: Places specified rivets in gas, oil, or coke furnace, or between electrodes in electric furnace. 2. Turns knobs to regulate heat or current of furnace. 3. Removes rivets from furnace when color indicates rivets are heated to specified temperature and throws …

1. Controls equipment to filter, transfer, and remove bubbles from viscose fluid used in manufacturing rayon or cellophane: Turns valves to transfer viscose from mixing station to filter presses that remove impurities and to vacuum tanks that remove air bubbles. 2. Observes gauges and adjusts controls to maintain specified temperature, …