Technician A says that after retrofitting an R-12 truck A/C system to R-134a,the system can be serviced using R-12 service equipment.Technician B says that a more powerful vacuum pump is required to evacuate a HFC-134a system.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B
Correct Answer:
Verified
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