Depending on how long the refrigerator has been used and its condition, it is estimated that it can be bought for 600-800 dollars!
Keep a constant low temperature of a refrigeration equipment, but also a kind of food or other items to maintain a constant low temperature state of civilian products. Box body with a compressor, ice machine for ice cabinet or box, with refrigeration device storage box. Domestic refrigerator volume is usually 20 to 500 liters.
Reasons for frost
A portion of the water vapor from the refrigerator stored food, such as cleaned vegetables, fruits in the preservation box, vegetables and other food in the evaporation of water, cold condensation into frost. Especially in summer, the indoor temperature is high, humidity, room temperature and the temperature difference inside the refrigerator.
When the refrigerator is opened, a cool air flows outward from the inside, while the indoor air drills into the refrigerator.
In a little time, a layer of white frost condenses on the surface wall of the refrigerator. People also found that even if the refrigerator does not put anything, often open the inside of the refrigerator will also be a thick layer of frost, visible in the refrigerator, a large part of the water vapor from the air.