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Why do plastic milk jugs have a circular indent on the side?
(KTXL) – Just about every plastic milk jug has a circular indent on its side, but why? Is it just decoration? Does it help ...
FOX40 News16d
Why do plastic milk jugs have a circular indent on the side? It may not be what you think
(FOX40.COM) — Just about every plastic milk jug has a circular indent placed on its side, but why? Is it just decoration? Does it help determine if the dairy product is expired? Some people may ...