Quick Answers
Are the old glass top jars with metal bails safe to use?
Jars with wire bails and glass caps make attractive
storage containers for dry foods, but don't use them for
canning. One-piece zinc, porcelain-lined caps are also
no longer recommended.
Barbara Willenberg, Nutritional
Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009
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