Water droplets appear in the sealed environment lamp shade
In use for a period of 2 to 5 cm long and 0.5 1 cm in diameter of soft pipe, tube inside put a small piece of sponge, interface to sealing up. It is the temperature in the chimney with external temperature balance, what is sponge to worm dirt flew in. Someone put desiccant in chimney will have no water, but not for long.
Completely sealed environment chimney is will appear in the water, because it is a cold one hot temperature difference caused by fog, after cooling condenses into water. The solution is to punch a hole in the chimney of completely sealed,
The air is filled with water vapor, and when it is sealed, it condenses into water droplets
