After servicing a system using a bolt-on piercing valve, the technician should:
A) Recover the refrigerant, remove the bolt-on valve, and replace it with a permanent valve.
B) Simply remove the gauges because most bolt-on valves are self-sealing.
C) Close the bolt-on valve, remove the gauges, and put on the valve cap.
D) Remove the bolt-on valve and quickly braze up the hole.
A
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