Chuẩn bị hũ đựng. Khử trùng nắp hũ. Cẩn thận gắp hũ đựng ra khỏi nồi nước nóng.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Anytime you can fruit or vegetables, you must sanitize the jars. To do this, bring a large pot of water to a boil (it can be the same pot you are later going to use for sealing the jars and canning the tomatoes.)  Inspect the jars to make sure they are free from cracks or nicks and then place the jars in the water and let them boil for several minutes. You can also sterilize your jars by putting them in your dishwasher on the hottest cycle. If you have a ‘sterilize’ option, choose it. The lids s