I believe the answer is evidence
Answer:
its blurt out can't see it
Answer;
If a large amount of lubricant is removed from a system during refrigerant recovery is normal for an expansion valve/receiver dryer type.
Refrigerant recover is meant to remove refrigerants from cooling equipment using machines according to EPA standards. Refrigerant recover machines are used by Technicians before repairing or performing maintenance on air conditioners, freezers or refrigerators.
I am pretty sure that the anser is at least one of the textbooks are free from errors.
