Define the term qualified person.
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Qualified person is defined in Article 100 as someone that has skills and knowledge in electrical systems installation and has received safety training.
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List the three primary types of 3-D laser scanning methods used by surveyors.
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How would you test battery capacity without a carbon pile VAT (volt-amp tester)?
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Water is available at a rate of 400 gallons/min to a small apartment complex, consisting of 4 units. If at a given time, units 1, 2, and 3 are consuming 18 lbm/s, 14 lbm/s, 16 lbm/s, respectively, how much water is available to unit 4? Express your answer in gallons/min, ft^3/s, m^3/s and lbm/s, and kg/s.
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Describe the contact symbol.
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