The bottle stopper is sucked to pull it out, how to do?
First, the needle can not be on the edge of the plug in case it accidentally breaks the bottle mouth.The two is to prevent the bottle with water.
Find a quilting needle, the needle from the middle of the cork sting, sting after the needle is pulled out, the cork has a vent, outside the bottle with the air hole Zuanren bottle, the air pressure in the bottle until the pressure gradually increased, and the size of the bottle. At this moment, the bottle stopper can be easily taken out.
The hot water in the thermos bottle for a long time, it will reduce the temperature of the water, hot gas in the space also will be cool. In the cooling water and heat, will shrink, while the outside air is not added, the bottle pressure gradually decreased, which resulted in the bottle pressure is greater than the air pressure in the bottle cork situation, was outside pressure, tightly pressed on the bottle, also pulled to pull out.
