Examlex
To date, what has not been discovered in the Indus Valley?
R-12
Theoretically illegal but still available refrigerant. GWP rating is 10,900.
Vacuum Pump
A device that removes gas molecules from a sealed volume in order to create a partial vacuum.
Refrigerant Container
A special container designed to hold refrigerant, a substance used in air conditioning systems to absorb and release heat, under pressure.
Ozone
Triatomic oxygen (O3); an oxygen molecule consisting of three bonded oxygen atoms. The ozone layer in the Earth’s stratosphere helps protect the atmosphere from harmful solar ultraviolet radiation.
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