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) Tends mixing machine, autoclave, and drier to mix, pack, solidify, and dry asbestos, dirt, charcoal, lime, water, and other ingredients to form absorbent packing for compressed acetylene gas: Meters out water and powdered ingredients, and dumps them into mixer. 2) Starts agitator to mix ingredients for specified period of time. 3) Opens
ACETYLENE-CYLINDER-PACKING MIXER Read More »
Job Description: 1) Tends equipment to recover acetone, used in acetate rayon manufacture, from vapor produced by dry spinning of rayon filaments: Turns valves to admit vaporized acetone from spinning units to recovery system and to maintain cooling coils in condenser at specified temperature for efficient acetone recovery. 2) May pump recovered acetone to storage
ACETONE-RECOVERY WORKER Read More »
Job Description: 1) Brushes or drops acetone cement on backs of buttons to attach metal shanks of buttons and presses shank into softened plastic. 2) . 3) .
ACETONE-BUTTON PASTER Read More »
Job Description: 1) Sets up and operates machine to coat cloth, fiber, or paper with granules of abrasive material: Positions machine guides and stops on machine bed according to size of base material, using rule or template. 2) Turns screws to adjust valve openings to regulate thickness of abrasive coating sprinkled on base material. 3)
ABRASIVE-COATING-MACHINE OPERATOR Read More »
Job Description: 1) Tends machine equipped with circular diamond saw that cuts abrasive sticks and stones for honing machines: Places abrasive bricks against guide and clamps bricks onto holding fixture of machine. 2) Starts machine and flow of coolant. 3) Presses button to start feed mechanism that moves brick against diamond saw to cut abrasive
Job Description: 1) Tends electrically powered or hand-cranked band-winding machine that joins and shapes precut backing strip with abrasive-coated strip by spirally winding strips on mandrel to produce grinding and polishing tubes or cones: Applies adhesive to backing strip by handbrush or by automatic applicator attached to winding machine. 2) Clips ends of backing strip
ABRASIVE-BAND WINDER Read More »
Job Description: 1) Tends hydraulic press that molds synthetic abrasive disks, hones, and grinding wheels: Selects mold parts according to size and thickness of wheel desired, and assembles parts to form mold. 2) Weighs out specified amounts of abrasive compound and adhesive or activates automatic hopper that dumps specified quantity of abrasive mix into pan,
ABRASIVE-WHEEL MOLDER Read More »