1. Tends equipment that washes taconite ore dust collected from air: Starts dust collection equipment and turns valves to adjust pressure to required level as indicated by manometer. 2. Examines parts of dust collector, such as pipes, nozzles, strainers, and collection surfaces, for pluggings, breaks, leaks, and residue. 3. Closes …
1. Operates battery of electrical precipitators to collect metallic dust particles from fumes of smelting ore: Observes ammeters and voltmeters and moves panel controls to regulate flow of electric current to precipitators according to type of ore being smelted, or according to amount of draft, moisture content of dust, and …
1. Tends equipment that removes dust, fur particles, and lint from felt hats after pouncing operations, using any of following methods: Selects hat block, according to specifications. 2. Turns screw to secure block on spindle, and slips hat over block. 3. Depresses pedal to start compressor that creates vacuum in …
1. Tends machines that mix flue dust and milk of lime to facilitate reprocessing in copper smelter: Starts screw conveyor and opens valves and hopper gate to start flow of lime solution and flue dust into mixer. 2. Starts mixer, observes mixture for consistency, and adjusts flow rate to attain …
1. Rakes or scrapes flue dust from converter flues or hoppers into larry cars or screw conveyors for shipment to furnaces. 2. Breaks up packed dust with bar or pole, and hammers sides of hopper with mallet or bar to dislodge contents. 3. May drive larry car to furnace, and …
1. Tends equipment that measures amount of coal dust suspended in air in underground coal mine: Places sampling devices in predetermined locations in mine at beginning of work shift. 2. Monitors apparatus periodically to ensure that dust suspension remains within safe limits. 3. Removes collected samples at end of shift, …
1. Tends dumping machine that automatically grips, tilts, and dumps boxes of fruit or other produce into flue or onto conveyor leading to washing vat, and returns empty boxes. 2. May start and stop conveyor to control flow of fruit. 3. May oil, grease, and make minor adjustments to machine. …
1. Drives truck equipped with dump body to transport and dump loose materials, such as sand, gravel, crushed rock, coal, or bituminous paving materials: Pulls levers or turns crank to tilt body and dump contents. 2. Moves hand and foot controls to jerk truck forward and backward to loosen and …
1. Operates machine to reproduce data or ruled forms on paper from type in flat impression bed or plates on revolving cylinder: Selects type or embossed plate and positions type or plate on cylinder or flat bed of machine. 2. Loads paper in feed tray and makes adjustments to parts, …
1. Operates duplicating machine to print typewritten or handwritten matter directly from master copy: Places master copy on drum of machine and blank paper in feed tray. 2. Adjusts machine for speed, size of paper, and flow of process liquid to moistening pad. 3. Starts machine that pulls blank sheets …
1. Sets up and operates duplicator punch which follows tracer track on template and punches, blanks, and notches metal plates, sheets, and structural shapes: Positions and clamps track template onto template table of machine. 2. Inserts, aligns, and locks specified punches and dies in ram and bed of machine, using …
1. Positions swinging conveyor spout over hopper of machine that deposits slate granules on surface of asphalt-coated roofing felt, and notifies SLATE MIXER to start conveyor and flow of slate of specified color. 2. Verifies level of slate in tanks to maintain supply.
1. Operates dust-collecting equipment in crushing department of copper refinery to recover dust from ore: Starts feed conveyors, suction fans, impellers, and electrodes, and moves controls to regulate dampers, equalizing ports, and water eliminators. 2. Turns valves to fill and maintain level of water in tanks. 3. Observes operation of …
1. Assists DUST-COLLECTOR OPERATOR in collecting metallic dust particles from fumes of smelting copper ore: Pushes switches to shut off electric current to precipitators, and observes amount of dust accumulated on electrode pipes and plates. 2. Pulls levers to start hammers that knock dust from electrodes into collecting chambers. 3. …
1. Performs combination of the following services for patrons of dude ranch to enhance guests’ enjoyment: Saddles and unsaddles horses, adjusting equipment to accommodate each guest. 2. Assists guests in mounting and dismounting. 3. Plans itinerary of trips, taking into consideration wishes and preferences of guests, knowledge of terrain, and …
1. Tends mechanical or electrical dumping equipment to dump materials, such as grain, raw materials, coal, or ore, from mine cars, railroad cars, or trucks into bins or onto conveyor for storage, reloading, or further processing, using either of following methods: Observes that car or truck is spotted accurately on …
1. Dumps nitrocellulose into trough for transfer to explosives-manufacturing equipment: Rolls barrels of nitrocellulose from railroad car to dumping room over wooden rails. 2. Removes lock rims and lids of barrels, using handtools. 3. Upturns barrels over water jet in trough and strikes bottom with rubber mallet to loosen contents. …
1. Tends film or magnetic tape dubbing machines that play back recordings of music, dialogue, or sound effects to facilitate synchronization of sound motion-picture film action by RERECORDING MIXER: Loads reels of film or tape onto machine and passes lead-end over and around sprockets, wheels, tension rollers, and magnetic tape …
1. Assists DRY-PRESS OPERATOR in pressing dry tempered clay or silica into brick or other shapes: Removes pallets loaded with brick and replaces empty pallets in position to receive brick from press. 2. Places loaded pallets in rack of car. 3. Removes defective pallets for repair. 4. Removes bricks from …
1. Operates machines and equipment to mix cornstarch blends: Signals STARCH-TREATING ASSISTANT to admit starch suspension into mixing and storage tanks, and to dump measured amount of chemicals into mixing tanks to prepare chemical solutions. 2. Reads meters and turns valves to admit chemical solutions into blending tank. 3. Manipulates …
1. Controls equipment that produces dry starch products from raw starch, and tests product for adherence to specifications: Dumps bags of chemicals into mixing tanks, and turns valves to admit fluids to prepare slurries for treating raw starch. 2. Regulates material flow, and starts and controls pumps, heaters, agitators, shakers, …
1. Installs plasterboard or other wallboard to ceiling and interior walls of building, using handtools and portable power tools: Installs horizontal and vertical metal or wooden studs for attachment of wallboard on interior walls, using handtools. 2. Cuts angle iron and channel iron to specified size, using hacksaw, and suspends …
1. Sprays vinyl base compound on interior sheetrock walls of factory-built modular homes to produce plaster effect: Measures and pours compound ingredients into mixing vat according to mixing chart and blends ingredients, using electric blender. 2. Pours compound into spray gun reservoir. 3. Connects airlines to spray gun and adjusts …
1. Tends machine that cements lengths of rubber hose together to form dual hose for use in oxyacetylene torches: Pours rubber cement into machine dispenser and turns valve to regulate flow of cement. 2. Adjusts buffing wheel that smooths sides of hose to be joined. 3. Verifies diameter of hose, …
