1. Tends sawing machine that automatically scribes semiconductor wafers prior to separating wafers into individual dies: Flips switches and presses buttons to activate sawing machine. 2. Places wafer mounted on laminated plastic onto moveable chuck of sawing machine, using tweezers. 3. Presses buttons and turns knobs and dials to adjust …
1. Maintains stonecutting saws in operating condition: Removes broken and bent saw blades from gangsaws. 2. Cuts new blades and cuts holes in ends of blades for mounting in saw frame, using cutting torch. 3. Straightens bent blades, using hammer. 4. Spaces, tightens, and levels blades to set up gangsaws …
1. Tends equipment that saturates continuous sheet of felt paper with asphalt to serve as carrier or backing for hard-surface floor coverings: Adjusts panelboard controls to pump and maintain specified level of asphalt in tank. 2. Regulates machine to compensate for variations in penetration of saturant, according to visual examination, …
1. Controls saturator tank and auxiliary equipment to precipitate ammonium sulfate by reaction of ammonia with sulfuric acid: Turns valves to admit sulfuric acid and liquid or gaseous ammonia to saturator until precipitation occurs, and to regulate saturation of solution, using titration test to determine acidity of bath. 2. Observes …
1. Tends machine that saturates rolls of untreated roofing felt with hot, liquid asphalt: Threads felt through machine rollers and starts machine. 2. Turns wheels and moves levers to regulate machine speed, flow of asphalt, and tension on felt and press rollers. 3. Presses control button to regulate flow of …
1. Monitors training programs transmitted by communication satellite from institution of higher learning to remote educational institution or facility: Registers students for satellite communication courses and sells and distributes textbooks and other classroom materials. 2. Activates audiovisual receiver and monitors classroom viewing of live or recorded courses transmitted by communication …
1. Tends automatic machine that forms sanitary napkins: Threads nonwoven fabric, plastic inserts, paper, and cotton filling through feed rollers of machine in prescribed sequence. 2. Fills glue reservoirs. 3. Loads hot-melt pellets in heater unit and sets temperature and flow controls to melt pellets and saturate napkin to impart …
1. Inspects community land areas and investigates complaints concerning neglect of property and illegal dumping of refuse to ensure compliance with municipal code: Inspects designated areas periodically for evidence of neglect, excessive litter, and presence of unsightly or hazardous refuse. 2. Interviews residents and inspects area to investigate reports of …
1. Prepares sandwiches to individual order of customers: Receives sandwich orders from customers. 2. Slices cold meats and cheese by hand or machine. 3. Selects and cuts bread, such as white, whole wheat, or rye, and toasts or grills bread, according to order. 4. Places meat or filling and garnish, …
1. Wears sign boards and walks in public to advertise merchandise, services, or belief. 2. May distribute handbills to passers-by. 3. May work for labor organization and be designated Picket, Labor Union.
1. Tends machine that forms and wraps ice cream sandwiches: Attaches tube lines from freezer machine to ice cream forming head, using wrench. 2. Assembles dispenser trays, wafer extruders, sandwich pusher, paper tucker, and elevator table to form sandwich of specified size. 3. Threads roll of wrapping paper from spindle …
1. Plans, develops, and executes environmental health program: Organizes and conducts training program in environmental health practices for schools and other groups. 2. Determines and sets health and sanitation standards and enforces regulations concerned with food processing and serving, collection and disposal of solid wastes, sewage treatment and disposal, plumbing, …
1. Designs and directs construction and operation of hygienic projects such as waterworks, sewage, garbage and trash disposal plants, drainage systems, and insect and rodent control projects: Plans development of watersheds and directs building of aqueducts, filtration plants, and storage and distribution systems for water supply. 2. Directs swamp drainage, …
1. Performs any combination of following duties to dispose of solid waste materials at landfill site: Operates heavy equipment, such as bulldozer, front-end loader, and compactor, to excavate landfill site, transport solid waste materials, and to spread and compact layers of waste and earth cover. 2. Directs incoming vehicles to …
1. Supervises and coordinates activities of workers engaged in landfill operations, utilizing knowledge of local, state, and federal laws regulating waste disposal: Directs operations, such as spreading and compacting solid waste and spraying insecticides to control insects and pests. 2. May assist in selecting new sites according to community population. …
1. Operates sand mill that grinds premixed paint ingredients to disperse solid ingredients in vehicle: Starts mixer to combine ingredients settled in portable tub. 2. Hangs hose in tub and attaches opposite end to sand mill intake. 3. Turns valve to circulate cooling water through jacket to prevent mill overheating. …
1. Controls sand-slinging machine to pack sand in mold flask: Engages controls to move machine along tracks and to position impeller head over flask. 2. Starts machine, and moves controls to guide impeller head back and forth to direct flow of sand into flask. 3. Cleans and oils machine. 4. …
1. Tends machine that buffs surface of cork sheets, from which outsoles for shoes are cut, to roughen sheets for better adhesion and to remove unevenness: Turns handwheels to set distance between feeder and sander rolls, verifying setting with thickness gauge. 2. Starts machine and feeds sheet sideways through upper …
1. Tends equipment that applies coating of sugar to candy, such as gumdrops and orange slices: Dumps sanding sugar into hopper of rotating cylinder. 2. Turns steam valve and starts conveyor that carries candy through steam bath for heating and moistening, and into cylinder for application of sugar coating. 3. …
1. Tends machine that sands and smooths sheets of composition cork to reduce thickness: Turns handwheel to adjust sander to attain specified thickness. 2. Places sheet on feed bed of machine and guides material through rollers to sanding mechanism. 3. Depresses pedal to release pressure of rollers for removal of …
1. Tends equipment that mixes cement, ore residues, and water into slurry and pumps slurry to fill worked out excavations in underground mine: Opens valves to transfer ore residues from mill and admit water to mixing tank. 2. Starts mixer that blends slurry to specified consistency. 3. Opens valves to …
1. Smooths wood surfaces to facilitate finishing, using portable belt, disk, orbital, or vibrator sanding machine: Attaches sheet, disk or belt of abrasive material to machine rollers or platen, and secures it with thumbscrews or clamps. 2. Starts machine and guides it over surfaces by hand. 3. Inspects and feels …
1. Sands unlacquered wooden sections of guitars, using sandpaper and portable-power sander. 2. Repairs cracks in wood, using knife and putty. 3. Stains instrument, using brush, pad or spray gun. 4. Rubs stained surface with cloth or felt pad to remove excess stain and evenly distribute stain. 5. Scrapes away …
1. Operates one or more sanding machines equipped with sanding belts or sanding heads, such as disks, drums, spools, or brushes mounted on vertical or horizontal spindles to smooth surfaces and edges of hand held wooden parts, boards, or furniture parts: Turns handwheels to adjust tension of sanding belt or …
