1. Cleans, waxes, and polishes floors by hand or machine: Removes dirt and blemishes from floor, using various cleaning solvents and compounds, according to composition of floor. 2. Applies paste or liquid wax to floor with rags or machine. 3. Polishes floor with electric polishing machine or weighted brush.
1. Observes vessels passing inland-waterway checkpoint, using binoculars, to verify identity and ascertain speed and direction. 2. Telephones observations to designated control point, such as drawbridge or lock station. 3. Reports movements of overdue vessels to estimate arrival time at specified points along waterway. 4. Notifies waterway officials or other …
1. Removes printed circuit boards from discharge conveyor of automatic wave-soldering machine following completion of soldering process: Places empty carrier on workbench at discharge end of wave-soldering machine conveyor. 2. Removes pallets containing wave-soldered PCB’s from conveyor and places pallets in carrier. 3. Examines boards to detect defects, such as …
1. Dispatches service crews to repair water mains: Receives calls from consumers regarding pressure complaints, service requests, and leaks in mains. 2. Dispatches service crew, using telephone or radio. 3. Increases pumpage rate, conduit flow, and reservoir elevation. 4. May keep log on dispatching activities.
1. Installs and services water-softener tanks: Tests water quality for acidity, iron content, and hardness, using test kit. 2. Examines plumbing system to determine connections, pipes, and pipe fittings required. 3. Cuts, threads, and installs pipes, control valves, and couplings, using wrenches, pipe cutters, pipe threaders, and gas soldering equipment. …
1. Controls treatment plant machines and equipment to purify and clarify water for human consumption and for industrial use: Operates and controls electric motors, pumps, and valves to regulate flow of raw water into treating plant. 2. Dumps specified amounts of chemicals, such as chlorine, ammonia, and lime into water …
1. Drives tank truck to transport water for construction projects or to provide water for use in drilling shallow bore-holes on petroleum-prospecting sites. 2. May insert pipe in refilled trenches and other excavations, and operate auxiliary pump on truck to pump water into fill to settle and compact dirt. 3. …
1. Detects and seals areas of water leaks on motor vehicle bodies, using ultraviolet light, caulking gun, and handtools: Illuminates areas of inner compartments of vehicle bodies, using ultraviolet light to detect water inside compartments. 2. Seals areas suspected of water leaks, using caulking gun. 3. Aligns parts, such as …
1. Inspects, maintains, repairs, and replaces control devices, such as water pressure regulators, gate valves, and hydrants on water mains in water treatment and distribution systems: Inspects, disassembles, and repairs damaged or malfunctioning control devices of water distribution systems, using handtools. 2. Cleans parts of rust and scale, using scraper …
1. Tends pumps that maintain level of water in boilers: Reads boiler gauges to ascertain need for water. 2. Opens valves and starts boiler-feed water pumps to supply water, or adjusts controls to start pumps automatically when water level reaches specified point. 3. Observes operation of pumps to detect malfunctions. …
1. Supervises and coordinates activities of workers engaged in installing, maintaining, repairing, and servicing water distribution and sewage facilities: Assigns work activities to crewmembers concerned with excavating and backfilling trenches and culverts, installing, repairing, and replacing water and sewer mains, joining and caulking pipeline, repairing valves and hydrants, drilling and …
1. Cleans water filter beds: Holds suction pipe to transfer sand and gravel from filter bed onto regrading screens. 2. Washes and simultaneously screens sand and gravel to remove foreign particles and grade material according to size, using water hose. 3. Turns handle to backwash filter to remove chemical precipitates …
1. Installs watermeters in consumer establishments, using handtools: Turns mainline valve to close waterflow through line. 2. Disconnects water pipe and connects watermeter to outlet and inlet pipe unions, using wrench. 3. Examines pipes to detect leaks and informs consumer to close faucets. 4. Opens mainline valve to admit waterflow …
1. Reviews data from meters, recorders, and sampler, and inspects equipment in mill to ensure compliance with government standards: Records readings from plant measuring devices, such as recorders and meters. 2. Removes and replaces record charts. 3. Computes effluent flow from chart for sampling period. 4. Collects waste water samples, …
1. Grinds edges of watch-crystal blanks, using abrasive wheel: Places blank on die of specified size and clamps die and blank in chuck. 2. Starts grinding wheel and adjusts flow of water on wheel. 3. Holds blank against wheel and grinds it until die is stopped by guide. 4. Rotates …
1. Molds glass and plastic watch crystals: Places glass or plastic blank on mold of specified shape and size. 2. Heats glass with hand torch or softens plastic in oven until it conforms to contour of mold. 3. Holds crystal against revolving wheel to polish surface. 4. May cut glass …
1. Tends machine that automatically embroiders designs on fabric: Threads roll of perforated cardboard that controls stitching operation through guide rollers and attaches end to automatic control mechanism or inserts punched cards in machine. 2. Aligns pointers on cloth frame with marks on machine chassis to position frame within prescribed …
1. Tends machine that reproduces embroidery designs on fabric: Stretches lengths of fabric on machine or clamps frames of fabric onto machine. 2. Replaces broken needles and threads, threads needles, and locks needles in holders. 3. Aligns pantograph mechanism, starts machine, and observes operation. 4. Marks stitching errors with pins …
1. Assembles ribs of skeleton for expansion metal watch band, using handtools: Inserts coil spring in center eyelet of watch-band rib with pencil-shaped jigger. 2. Turns under projecting ends of spring to fasten rib to skeleton.
1. Tends pumps, conveyors, blowers, chlorinators, vacuum filters, and other equipment used to decontaminate wastewater by settling, aeration, and sludge digestion: Removes obstructions, such as coarse materials from bar-screens, to accelerate influent through initial screening process. 2. Adjusts pipe valves to regulate flow velocity through settling tanks to separate sludge …
1. Operates sewage treatment, sludge processing, and disposal equipment in wastewater treatment plant to control flow and processing of sewage: Monitors control panels and adjusts valves and gates manually or by remote control to regulate flow of sewage. 2. Observes variations in operating conditions and interprets meter and gauge readings …
1. Assembles, tests, and adjusts complete watch movements according to specifications, using watchmaker’s tools and loupe: Attaches hairspring and balance assembly, train, escapement, winding and setting mechanism, mainspring, jeweled bearings, and bridges, using tweezers, hand staker, and other watchmaker’s tools, and loupe. 2. Inspects movement for accuracy, diagnoses cause of …
1. Supervises and coordinates activities of workers engaged in watch manufacture or assembly, such as hairspring manufacture, balance assembly, or dial manufacture, applying knowledge of watch manufacturing: Computes labor and machine requirements based on work schedules, and assigns work accordingly. 2. Sets up machines and instructs personnel in machine operation. …
1. Repairs, cleans, and adjusts watches, clocks, and related instruments, using watchmaker’s tools, measuring instruments, bench machines, and cleaning equipment: Removes mechanism from case and examines mechanism for defective parts or accumulation of foreign matter, using loupe. 2. Disassembles parts, such as hands, mainspring, escape wheels, and balance wheel, using …
