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|  DOE-STD-1050-93
Some examples of these skills include the following:
tightening or replacing fittings
replacing gaskets, bolting, valve packing, stationary seals
valve lapping
standard testing, such as insulation resistance, voltage, etc.
replacing fuses and lamps
lubricating equipment
removing corrosion from surfaces
trimming refrigerant charge
removing oil from refrigeration plants
cleaning threads by mechanical means
cutting fasteners to length
wire wrapping (except on printed circuit boards)
soldering (except on printed circuit boards)
crimping of lugs and splices
tubing installation
tubing fitting makeup
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