1. Tends sorting mechanism and grades green lumber as lumber passes on conveyor to designated racks: Determines length and thickness of board by comparing board with gauged marks on machine table. 2. Lifts end of board and feels wood to estimate moisture content. 3. Routes board to appropriate holding rack …
1. Sorts agricultural produce, such as bulbs, fruits, nuts, and vegetables: Segregates produce on conveyor belt or table, working as crewmember, according to grade, color, and size, and places produce in containers or on designated conveyors. 2. Discards cull items and foreign matter. 3. Bunches, ties, and trims produce, such …
1. Solders together components to assemble fabricated metal items, as specified by work orders, diagrams, or layout, using soldering iron: Aligns and clamps parts together, using rule, square, or handtools, or positions items in fixtures, jigs, or vise. 2. Dips parts in cleaning solution, or brushes or sprinkles flux along …
1. Dips metal parts into molten solder to bond them together, using any combination of following methods: Twists, crimps, clamps, or holds parts together and dips them into solder for specified time. 2. Removes and holds parts together until color indicates solder has set. 3. Dips parts separately and solders …
1. Tends processing equipment that prepares and applies solder to copper circuit areas of printed circuit boards or panels: Reads process specifications and activates equipment units, such as conveyors, sprayers, pumps, brushes, air knives, and solder bath. 2. Adjusts equipment controls to regulate processing factors, such as temperatures, pressures, and …
1. Tends machine that flattens, shapes, and smooths leather insoles and outsoles: Turns handle to adjust holding device to fit shoe. 2. Positions shoe on pin jack and against holding device. 3. Starts machine that forces shoe against presser roller and moves roller back and forth over sole to flatten …
1. Solders together components of metal products on production line, using hand soldering iron and soft solder: Dips workpieces into chemical solution or brushes or powders flux along joints to remove impurities. 2. Places workpieces into fixtures or manually holds them together at designated point. 3. Plunges soldering iron into …
1. Fills holes, indentations, and seams of fabricated metal products, using solder and gas torch: Prepares area to be soldered, using hand and powered tools, such as hacksaw, chisel, hammer, grinder, and wire brush. 2. Brushes acid solution onto area to clean area. 3. Moves oxyacetelene torch over area to …
1. Solders metal components, using electric-ultrasonic soldering equipment: Positions component in fixture. 2. Preheats joint area to temperature above solder melting point, using oxy-fuel torch. 3. Turns dials to set intensity and duration of ultrasonic impulse, according to work order specifications. 4. Pushes button to turn on electric-ultrasonic equipment. 5. …
1. Designs solar domestic hot water and space heating systems for new and existing structures, applying knowledge of energy requirements of structure, local climatological conditions, solar technology, and thermodynamics: Estimates energy requirements of new or existing structures, based on analysis of utility bills of structure, calculations of thermal efficiency of …
1. Fabricates and assembles metal solar collectors according to job order specifications, using machine shop tools and equipment: Lays out and marks reference points on metal tubing and sheets according to job order specifications, using rule and scriber. 2. Aligns, cuts, and drills copper tubing to form pipe sections, using …
1. Cleans assembled semiconductor packages, coats package leads with flux, and applies solder to package leads, using solder dip machine, to complete semiconductor package assembly: Places packages in holding cases and immerses cases in series of acid baths to clean packages. 2. Places packages in holding fixtures and immerses loaded …
1. Tends machine that solders holding feet to back of watch dials: Places dial on asbestos holding fixture. 2. Positions soldering rings over specified points on dial and positions dial foot in each ring, using tweezers. 3. Lowers weights onto holding feet to secure feet in fixture. 4. Starts machine …
1. Mounts and solders ribs to shotgun barrels to form double barrels and for use as aiming sight: Brushes flux onto shotgun barrels to prepare surface for soldering. 2. Files and fits dovetail butts of barrels together and hammers pin through holes in barrels to lock them together. 3. Inserts …
1. Assists SOLAR-ENERGY-SYSTEM INSTALLER in installing and repairing solar-energy systems for residential, commercial, or industrial use: Saws and drills holes in roof and walls for placement of equipment, plumbing, and wiring as directed. 2. Loads and unloads truck. 3. Attaches plumbing and electrical wiring to structure, using handtools. 4. Cuts …
1. Studies soil characteristics and maps soil types, and investigates responses of soils to known management practices to determine use capabilities of soils and effects of alternative practices on soil productivity: Classifies soils according to standard types. 2. Conducts experiments on farms or experimental stations to determine best soil types …
1. Provides technical assistance to land users in planning and applying soil and water conservation practices, utilizing basic engineering and surveying tools, instruments, and techniques and knowledge of agricultural and related sciences, such as agronomy, soil conservation, and hydrology: Analyzes conservation problems of land and discusses alternative solutions to problems …
1. Installs and repairs solar-energy systems designed to collect, store, and circulate solar-heated water or other medium for residential, commercial, or industrial use: Locates and marks position of collectors, holding tank, and distribution system on structure, according to specifications and blueprints. 2. Cuts holes in roof, walls, and ceiling to …
1. Plans and develops coordinated practices for soil erosion control, moisture conservation, and sound land use: Conducts surveys and investigations on rural or urban planning, agriculture, construction, forestry, or mining on measures needed to maintain or restore proper soil management. 2. Plans soil management practices, such as crop rotation, reforestation, …
1. Raises soft-shell crabs for food markets by catching crabs from sea and retaining them in tanks until they molt: Catches crabs, using lines. 2. Sorts crabs according to stages of shell development and dumps them into open tanks containing sea water. 3. Starts pumps to aerate water and maintain …
1. Forms softball cores, using heated presses: Weighs loose wad of kapok, rags, or paper on scale and stuffs specified amount into heated press. 2. Turns wheel to close press and mold softball core. 3. Removes molded core from press after specified period and wraps with cord to hold core …
1. Tends centrifuging and screening equipment that separate brown sugar crystals from syrup and sifts crystals to obtain powdered sugar: Sets spinning, washing, and steam cycles on automatic centrifuges, and resets cycles as necessary to attain specified color and quality of sugar. 2. Turns valves to regulate temperature and levels …
1. Applies decorative steel, aluminum, and plastic tile to walls and cabinets of bathrooms and kitchens: Measures surface to locate center points and draws horizontal and vertical guidelines through them. 2. Brushes waterproof compound over plaster surfaces to seal pores. 3. Spreads adhesive cement over wall, using trowel or broad …
1. Researches, designs, and develops computer software systems, in conjunction with hardware product development, for medical, industrial, military, communications, aerospace, and scientific applications, applying principles and techniques of computer science, engineering, and mathematical analysis: Analyzes software requirements to determine feasibility of design within time and cost constraints. 2. Consults with …
1. Controls equipment to make cleaning solution used in beer bottle-washing machines: Dumps specified bags of chemicals into mixing tank and adds measured amount of water. 2. Starts pump that transfers chemical solution to tank containing specified amount of concentrated soda. 3. Observes gauges and turns steam valve to heat …
