THE PRINCIPLES USED IN AIR - CONDITIONING ARE BASICALLY THE SAME AS THOSE USED BY THE HUMAN BODYA B CTO COOL HIMSELF
44. The principles used in air - conditioning are basically the same as those used by the human body
A
B
C
to cool himself.
D
44. The principles used in air - conditioning are basically the same as those used by the human body
A
B
C
to cool himself.
D