A. Cu Tubing used
B. Steel tubes used
C. Both a & b
D. Material does not effect by refrigerant
Submitted by: Ghulam Murtaza
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
