Job Description: 1) Controls equipment, such as washers, rectifiers, acid pots, and mixing tanks arranged in series to recover tar acids from coal-tar oils: Starts pumps to circulate oil through equipment, and opens valves at various stages to treat oil with chemicals, carbon dioxide, and steam, according to specified instrument readings. 2) Performs routine tests
Job Description: 1) Starts conveyors and pushes incoming storage batteries onto conveyor leading to machine which inverts batteries over receiving tank to drain used forming acid or manually unloads batteries from forming trucks, inverts batteries, and places batteries on rack to drain. 2) Places drained batteries on conveyor leading to refilling station or on truck.
Job Description: 1) Adjusts specific gravity of electrolyte in battery cells or in plate-forming tanks to concentration specified: Ascertains temperature and specific gravity of solutions, using thermometer and hydrometer. 2) Turns valves or lever to drain acid or water into cells or tanks to adjust specific gravity of solutions. 3) Connects batteries to charging line
Job Description: 1) Tends generating equipment that processes calcium-carbide crystals and water into acetylene gas: Turns valves, level gauge, and thermostat to raise and heat water to prescribed level and temperature in generator. 2) Dumps specified quantity of calcium-carbide crystals into hopper, bolts in cover, and starts generator. 3) Opens hopper gate and starts vibrator
ACETYLENE-PLANT OPERATOR Read More »
Job Description: 1) Tunes accordions by aurally comparing pitch of reeds with master reeds and filing reeds to obtain standard pitch: Places set of reeds to be tuned in slots in tuning table. 2) Depresses pedal to operate bellows and presses key to blow or draw air through reed to be tuned and master reed.
Job Description: 1) Lays out and constructs accordions, applying knowledge of accordion construction, using handtools and operating variety of wood and metalworking machines: Studies sketch of accordion or customer’s specifications to plan work. 2) Measures and marks woodstock to lay out wood parts. 3) Operates woodworking machines, such as saw and sander, and uses carpenter
Job Description: 1) Controls operation of particle accelerator used in research experiments involving properties of subatomic particles: Reviews experiment schedule to ascertain particle beam parameters specified by experimenter, such as energy, intensity, and repetition rate. 2) Communicates with accelerator maintenance personnel to ensure readiness of support systems, such as vacuum, water cooling, and radiofrequency power
ACCELERATOR OPERATOR Read More »
Job Description: 1) Controls equipment that absorbs gases and liquids into water or other solvents to produce chemicals, such as hydrochloric acid or ammonium hydroxide: Starts pumps, turns valves, and observes flowmeters to control concentration, flow, temperature, and quantity of coolant, gas, liquid, and absorbing liquor through cooling and absorption towers. 2) Turns valves to
ABSORPTION OPERATOR Read More »
Job Description: 1) Repairs and tunes accordions and concertinas, using handtools: Disassembles instrument and parts, such as base and treble mechanisms, bellows, reed blocks, and manuals, using handtools. 2) Moves parts, observing their action to detect defects. 3) Files, realigns, and adjusts parts, using handtools. 4) Recovers bellows with sateen and cloth. 5) Glues leather
ACCORDION REPAIRER Read More »