1. Plans, directs, and coordinates activities concerned with design, construction, modification, and maintenance of equipment and machinery in industrial plant: Establishes standards and policies for pollution control, installation, modification, quality control, testing, operating procedure, inspection, and maintenance of equipment, according to engineering principles and safety regulations. 2. Directs maintenance of …
1. Operates concrete, asphalt, or sand and gravel plant to batch, crush, or segregate materials used in construction: Moves controls on panelboard or control board to heat, dry, and mix ingredients, such as asphalt, sand, stone, and naphtha, to produce asphalt paving materials; to weigh and mix aggregate, cement, and …
1. Tends series of burners, located in channel-process burner buildings, that produce carbon black by contact of gas flame with collecting channels, from which deposited carbon is scraped: Turns valves to regulate flow of gas or mixture of gas and oil to burners to produce flames that deposit carbon black …
1. Controls semiautomatic furnaces and auxiliary equipment to produce carbon black by partial combustion of crude oil, natural gas, or mixture of both: Notifies UNIT OPERATORS to start or shut down equipment units, such as reactors, quenchers, precipitators, cyclones, and filters to maintain efficient production. 2. Monitors pyrometers, recording meters, …
1. Conducts research in nature, cause, and control of plant diseases and decay of plant products: Studies and compares healthy and diseased plants to determine symptoms of diseased condition. 2. Inoculates healthy plants with culture of suspected agents taken from diseased plants and studies effects to determine agents responsible for …
1. Propagates plants, such as orchids and rhododendrons, applying knowledge of environmental controls and plant culture: Confers with management personnel to ascertain type and number of species to propagate and to develop and revise nutrient formulas and environmental-control specifications. 2. Selects materials according to kind of plant; mixes growth media; …
1. Supervises and coordinates activities of workers engaged in drying, shelling, grading, and bagging hybrid seed corn: Regulates valves to maintain specified temperature of drying room. 2. Periodically inspects and samples corn during various stages of processing for accuracy of operation, and for germination and purity. 3. Tags and stores …
1. Sets up and operates planing machine to shape, smooth, and square surface of stone blocks and slabs: Positions stone block on machine bed, using hoist, and secures it in place on bed with clamps. 2. Measures and marks stone, using pattern, tape measure, and marking pencil. 3. Installs and …
1. Sets up and operates planer-type milling machine that moves workpiece back and forth against rigidly held rotating cutters to mill workpieces, such as castings and machine parts, according to knowledge of planer-mill operating procedures: Studies blueprints or layout on workpiece to determine machine set-up, and sequence of machining operations. …
1. Installs, modifies, operates, and maintains sound and projection equipment used in presentation of planetarium classes and shows: Consults with personnel who plan classes and shows to determine feasibility of achieving specified effects, modifications in equipment necessary to create desired effects, and additional equipment or properties to be incorporated into …
1. Traces boundary lines of land plots on aerial photographs to determine acreage, using planimeter: Centers tracer point of planimeter arm on plot to be measured and places pivot arm at right angle to tracer point. 2. Moves tracer point to starting point on photograph according to shape of area …
1. Operates machine to plane flat surfaces of carbon or graphite stock to specified thickness and surface finish for use as anodes in electrolytic cells or as brushes in electric motors and generators.
1. Sets up and operates planers that reciprocate workpieces against stationary bar tools to plane and groove large metal workpieces, such as castings for metalworking dies and machine ways, analyzing specifications and selecting tooling according to knowledge of machine planing procedures: Studies blueprint or layout on workpiece to visualize planing …
1. Assembles and installs components of electrically or mechanically controlled pipe organs, using handtools and following blueprints: Installs and wires components, such as air chests, console, blowers, and airducts, using handtools. 2. Mounts pipes above air chest in predetermined pattern. 3. Secures pipes in wooden racks and fastens racks to …
1. Tunes and services pipe organs: Directs helper to depress organ console key and strikes tuning fork to sound A above Middle C. 2. Adjusts pitch of organ A pipes to conform with pitch of tuning fork and adjusts pitch of other pipes with references to pitch of other pipes …
1. Tends machine that breaks in new pipe bowls: Inserts pipes into suction tubes on machine, fills bowls with tobacco, and lights tobacco, using torch. 2. Turns valve on and off to pull air through pipes in simulated series of puffs. 3. Removes pipes from machine, empties ashes, and wipes …
1. Operates pipe-wrapping machine to coat pipelines with asphalt or other corrosion-resisting compounds and wrap them spirally with fabrics, such as glass cloth and felt paper, to form protective coating that prevents electrolytic decomposition of oil and gas pipelines: Inspects paper holders and observes flow of hot compounds into reservoir …
1. Finishes brasswind instrument pistons and assembles piston parts, using handtools: Inserts crooks through precut holes in piston blank and cuts them to length, using sheet metal snippers or table saw. 2. Places piston blank over mandrel or die and pushes steel balls or works ball-ended handtool through crooks to …
1. Directs activities at automobile or motorcycle racetrack: Determines qualifying order of vehicles for each race based on trial event results or by drawing numbers. 2. Assigns STARTERS to position on track. 3. Controls traffic to ensure only authorized number of vehicles are in pit. 4. Directs vehicles to assigned …
1. Supervises and coordinates activities of workers engaged in strip or pit mining or in quarrying: Studies contour maps and aerial photographs to determine locations for roads and cuts. 2. Supervises road construction crew and lays out blast pattern. 3. Supervises drilling and shooting crews in drilling blast holes and …
1. Fills metal tubes with hot pitch or other material to prevent warping during bending operations: Heats pitch in vat and pours it into tubes, using pitcher or ladle. 2. Hangs tubes in heated oven or on rack and heats them with torch to remove pitch. 3. Dips empty tubes …
1. Dumps salvaged pitch into heated filtering kettle that filters pitch for reuse in blocking lens blanks: Opens valve to drain filtered pitch into cooling troughs and breaks up solidified pitch with hand tamper. 2. Loads pitch into containers and delivers to BLOCKING-MACHINE TENDER.
1. Examines commercial and private building plans and inspects construction sites to ensure compliance with building code regulations: Reviews building plans for completeness and accuracy. 2. Examines individual plan components to ensure that all code mandated items are included. 3. Calculates footage between building components, such as doors, windows, and …
1. Lays out, constructs, and assembles electrically controlled pipe organs, using handtools and machines, and following blueprints: Plans layout of organ, following blueprints and sketches of installation site and customer specifications. 2. Operates woodworking machines and uses handtools to cut, shape, fit, and assemble wood components, such as console, wind …
1. Repairs or replaces defective pipe stems, using stem mounter, press, grinding wheel, and handtools: Inspects pipes to determine defects. 2. Removes and replaces defective screw-stem assemblies, using screwdriver, glue, press, and stem mounter. 3. Smooths ends of unlevel pipe bowl shank to eliminate cracks between shank and stem, using …
