Is the lid too tight to open? These tips make children take off it easily. In dailylife, many foods are packed in glass jars, such as beef sauce, canned yellow peach etc. These things are delicious, but in order to prolong the shelf life of canned food, the air inside is vacuumed, and then the robotic arm on the assembly line tightens the bottle cap of the can, which is very tight at this time. Plus most cans have slick caps that are hard to force, making it even harder to open. Every time I eat a can, I have to work hard to open it. Sometimes it hurts so much that I can't open it, and I get very angry. Today, I will share with you a few tips for opening cans, each of which is very practical and a good way to open the lid of a can even with little effort. Method 1 Put the head of the can down, which is the position of the lid, and tap it on the ground a few times. Be sure to tap the side of the bottle cap and tap it gently. Then it opened with a little more, which is very easy t...