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Canning -- Miscellaneous
Should the screw bands be left on jars of food after canning?
After the jars have cooled and they have been checked for seals, the screw bands should be removed. The top of the jar should be wiped with a cloth to remove any food
particles that were present. Wash screw bands, dry them and store in a dry place. If screw bands are left on the jars, they may rust, become difficult to remove, and may not work properly when used again.