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refrigerant
The refrigerant does all the work. It's a strategy in which a little measure of fluorescent color is infused into and circled through a working framework of an A/C The refrigerant blend will escape and gather at all break destinations.
The correct answer is refrigerant.
The refrigerant transports ultraviolet dye through the air conditioning system. It works on the principle in which a little measure of fluorescent color is infused into and circled via a functioning framework of an air conditioner. The refrigerant blend will escape and get collect at all the break destinations.