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How to open canned fruit?
It is estimated that you are talking about tinplate canning jars, the following are five kinds of open open method, I hope to be able to help you:

1. First, the tinplate canned fruit cans immersed in hot water for 3-5 minutes, so that the gas inside the jar temperature rises, the air pressure increases, which is the principle of thermal expansion and contraction. Canned fruit jars will be turned over and inverted for a while, to be inside the liquid will be inside and outside the pressure of the vacuum destroyed, in the palm of your hand to tap the bottom of it, and then in the gently pull the pull ring, it is easy to pull open.

2. Open the canner, the handle will be separated from the head to clip the canned fruit to be opened, rotate the knob, tin cans can be opened. Remember, when rotating the knob, only clockwise rotation, not counterclockwise rotation.

3. Swiss Army Knife, it has a special tool to open canned fruit above, with the bottom hook hooked to the outer edge of the can, the front edge of the force down the fruit can lid, as if the top of the lid on the side of a circle of concave lines ... ... Press in and push forward a circle, be careful not to put the head of a word change cone pressure in, or there may be wear and tear. The bottom hook hooks on the outer edge of the can, and the front edge pushes down on the lid, as if there is a concave pattern on the edge of the top lid... Press in and push forward a circle, pay attention not to put the head of the word change cone pressure in, or there may be wear and tear. This tool is also very good to use .

4. Home kitchen knife and pliers, with a kitchen knife near the side of the handle, into the center of the canned fruit, and then gently downward pressure, is the head of the knife into the can, gently push the knife handle, so that the cans will appear gap, and then use pliers to tug the opening of the iron, so that the opening, but pay attention to do not hurt the hand.

5. Screwdriver and hammer, find a household screwdriver, preferably flat mouth, along with the depression at the lid of the canned fruit, gently hammer the screwdriver handle, hit a circle so that it opens.

In fact, the tinplate can opening method is mainly for the Jingyu small black canned fruit cans, but other cans as long as the tinplate cans are applicable, the method is very good, it is worth recommending ah.