66. When using recovery or recycling equipment that was manufactured AFTER November 15, 1993: you must evacuate a system containing MORE than 200 pounds of CFC-12 to _________ before making a major repair:

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Accepted Answer

15 inches of hg vacuum.

66. When using recovery or recycling equipment that was manufactured AFTER November 15, 1993: you must evacuate a system containing MORE than 200 pounds of CFC-12 to _________ before making a major repair:

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