How to unscrew the lid of canned fruit (1)

The simplest method is that there are some grooves on the edge of the can lid to catch the mouth of the bottle. to sealing effect. Simply hold the can diagonally in your hand, tap the lid on the table, and rotate the bottle while tapping. The air inside the can is removed and stored in a vacuum. When we tap the lid on the table, the lid will loosen, allowing the outside air to enter the can, thus releasing the vacuum state of the can;

Now, let’s open the lid of the can. You can easily open the lid without any effort. The method is simple and practical. Using this method to open the lid is the most convenient way. Just tap the lid of the can a few times. Just twist it down and it will open. Especially for little girls who like to eat canned fruits and are not strong enough to open the lid conveniently, they can use this method to open the lid. Be sure to remember to try this method the next time you open a can. Method two Hot water, the amount of water should cover the edge of the lid, so that the mouth of the can is completely immersed in the hot water, it will take about 30 seconds;

The principle of opening a can is also relatively Simply, when the mouth of a can is immersed in hot water, the lid will slowly expand when it encounters hot water. The lids of cans are generally made of iron, and iron expands faster than glass. Quickly, the glass material outside will not be affected. When we open the lid, it will become much easier;

After thirty seconds, we take out the can and can directly unscrew the lid. Yes, it is more convenient to use this method to open the lid. Some friends who are relatively weak can use this method to open the lid and easily open it with a slight twist. It uses the principle of thermal expansion and contraction, and the method of opening the lid is also quite good. You can try this method next time.