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11-02-2024
Engineering

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When using recovery/recycling equipment manufactured after November, 15, 1993, technicians must evacuate an appliance more than 200 pounds of CFC-12 to the follwing level before making a major repair:
a. 15 inches of mercury
b. 20 inches of mercury
c. 25 inches of mercury
d. 30 inches of mercury

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