You should speak to the doctor about: 1  Your vaccination history. 2  Travel plans while in Vietnam and beyond if visiting other countries. 3  What style of accommodation and transport you will use. 4  Your general health and wellbeing. 5  Any plans for adventurous or outdoors activities.
Refrigerating Compressor. Refrigerating Compressor. a compressor that is a component of a vapor-compression refrigerating machine and is used to draw the refrigerant vapor from the evaporator and deliver it to the condenser.
A vapor compression cycle is used in most household refrigerators, refrigeratorâfreezers and freezers. In this cycle, a circulating refrigerant such as R134a enters a compressor as low-pressure vapor at or slightly below the temperature of the refrigerator interior. similar device that maintains a temperature below the freezing point of water is called a freezer. The refrigerator replaced the icebox, which was a common household appliance for almost a century and a half prior. For this reason, a refrigerator is sometimes referred to as an icebox in American usage.