| http://www.w3.org/ns/prov#value | - Although the driving element 40 is shown and described as threads 40 a disposed on a proximal portion 14 a of the drive rod 14, one skilled in the art will appreciate that the driving element 40 can be a ratchet, gear, or other mechanism that is adapted to cooperate with a complementary driving element disposed in the cap 12.
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