Those of skill in the art will recognize that the diameter at {HEAD ~ the end} of {TAIL ~ the cap} that the swabs are connected to is slightly smaller than the outside diameter of the open end of the transport tube so as to provide a secure snap closure when forced over the open end of the transport tube assembly 
of
Those of skill in the art will recognize that the diameter at { HEAD ~ the end } of { TAIL ~ the cap } that the swabs are connected to is slightly smaller than the outside diameter of the open end of the transport tube so as to provide a secure snap closure when forced over the open end of the transport tube assembly
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH