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Align and fit parts according to specifications, using jacks, turnbuckles, wedges, drift pins, pry bars, and hammers.
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Locate and mark workpiece bending and cutting lines, allowing for stock thickness, machine and welding shrinkage, and other component specifications.
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Hammer, chip, and grind workpieces to cut, bend, and straighten metal.
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Move parts into position, manually or with hoists or cranes.
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Mark reference points onto floors or face blocks and transpose them to workpieces, using measuring devices, squares, chalk, and soapstone.
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Straighten warped or bent parts, using sledges, hand torches, straightening presses, or bulldozers.
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Preheat workpieces to make them malleable, using hand torches or furnaces.
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Lift or move materials and finished products, using large cranes.
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Install boilers, containers, and other structures.
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Direct welders to build up low spots or short pieces with weld.
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Position or tighten braces, jacks, clamps, ropes, or bolt straps, or bolt parts in position for welding or riveting.
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Set up face blocks, jigs, and fixtures.
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Remove high spots and cut bevels, using hand files, portable grinders, and cutting torches.
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Tack-weld fitted parts together.
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Position, align, fit, and weld parts to form complete units or subunits, following blueprints and layout specifications, and using jigs, welding torches, and hand tools.
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Heat-treat parts, using acetylene torches.
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Lay out and examine metal stock or workpieces to be processed to ensure that specifications are met.
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Study engineering drawings and blueprints to determine materials requirements and task sequences.
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Smooth workpiece edges and fix taps, tubes, and valves.
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Erect ladders and scaffolding to fit together large assemblies.
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Design and construct templates and fixtures, using hand tools.
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Verify conformance of workpieces to specifications, using squares, rulers, and measuring tapes.
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Set up and operate fabricating machines, such as brakes, rolls, shears, flame cutters, grinders, and drill presses, to bend, cut, form, punch, drill, or otherwise form and assemble metal components.