Insulation cup filling hot water attracted to open lid
If there is heated in a microwave oven, it will control a good time Oh, sealing stuff in the microwave heating easy explosion, a microwave oven that heating to break the egg yolk, roast chestnuts to cut export is the reason.
I can't open it because the air inside is hot, and then it gets cooler. The gas shrinks and the pressure inside is much less than the outside atmosphere, so it's harder to screw. Therefore, to heat the water hot, so that the expansion of the heat inside the air, you can easily screw a bit.
Open method:1, soak in hot water for a while, then put a rubber ring on the cup cover, reduce the friction force and screw it on.2. Empty the bottom of the empty cup, count the bottom of the cup with your hands, and then punch it with the cup. Then you can unscrew it.3, the thermos cup also has a period of heat preservation, put a few days, the water is not insulation, and naturally easy to open.
