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Unpack a pack of the swab and do not know where it is .It will make the swab to breed a lot of bacteria.When using the swab,it will easy to slip alway from our hands.Most often we use one end of the swab and discard the other end.We should provide a place to storage the swab .And we can divide it into two parts and put alway the one that not been used to the box.This not only save the resources but also provide us a safeguard for our health.