"Modern" canning lids are designed to be used one time. Not over and over like the old ones. It has nothing to do with their ability to make them but has everything to do with making a long living product into a consumable that has to be replaced often.
"Modern" canning lids are designed to be used one time. Not over and over like the old ones. It has nothing to do with their ability to make them but has everything to do with making a long living product into a consumable that has to be replaced often.
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