Which of the following statements is NOT true regarding a recovery machine? a. An approved machine must always be used. b. The machine used must be for that specific type of refrigerant. c. A recovery machine can be a stand -alone unit or part of an R/R/R machine. d. The recovery machine always recycles the refrigerant.

The statement that is NOT true regarding a recovery machine is:<br /><br />d. The recovery machine always recycles the refrigerant.<br /><br />Recovery machines are designed to remove refrigerants from equipment and store them in an external container. They do not necessarily recycle the refrigerant, which involves cleaning and reusing the refrigerant in the same or another system. Recycling is typically done by a separate recycling machine.