Multiple Choice
Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?
A) Technician B only
B) Neither technician A nor B
C) Both technicians A and B
D) Technician A only
Correct Answer:

Verified
Correct Answer:
Verified
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