High side, If you charge liquid on the low side it can cause the valves of the compressor to break.
Liquid
The charging liquid is typically added to the low-pressure side of a compressor. This allows the liquid to enter the compressor, where it is compressed and then discharged as a high-pressure gas.
low side never charge from high side
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Refrigerant should be added through the low side of the system. This is typically done while the system is running, as adding refrigerant through the high side can be dangerous due to high pressures. It is important to follow manufacturer guidelines and use proper equipment when charging a refrigeration system.
The Alternator.
Carbon dioxide should be added at low temperature when making fizzy drinks. This is because colder temperatures allow the gas to dissolve more easily into the liquid, resulting in a more carbonated beverage.
Liquid water evaporates due to high temperature. Sun's energy help it to evaporate.
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buy a charging kit of r-134a refrigerant attach to the low-side charging connection (NEVER THE HIGH SIDE) the low side should have a dust cap that needs removing
Theoretically, anything can be changed from a solid to a liquid with enough energy added. Consequently, any gas can be changed into a liquid when enough energy is removed from it.