One way to reduce the amount of refrigerant spray when connecting and disconnecting refrigeration hoses from Schrader valves is to:
A) Loosen the end of the hose on the gauge manifold and slowly release the pressure.
B) Make sure the system is operating before connecting or disconnecting from the high side.
C) Use positive shut off hoses.
D) Pinch the hose closed behind the fitting with a pair of pliers before removing the hose.
C
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