Refrigeration: As the cold air flows downwards, all kinds of food or drinks should be placed in the box first, and then ice cubes or special ice boxes (the ice box must be placed in the refrigerator or freezer in advance for more than 8 hours) on top of the food , So as to achieve better results. The incubator must be tightly closed for a long time, and the lid must be closed immediately after taking out the food to prevent loss of air-conditioning. In addition, avoid direct sunlight to reduce c
Insulation: Put all kinds of food or drinks into the box, and cover it tightly. The incubator must be tightly closed for a long time, and the lid must be closed immediately after taking out food to prevent heat loss