Similarly, in certain embodiments, the lower housing member has an outer diameter which is generally equal to or slightly larger than the fourth diameter of the fourth recess so as to create {HEAD ~ a frictional fit} between the intermediate housing member and {TAIL ~ the lower housing member} 
between
Similarly , in certain embodiments , the lower housing member has an outer diameter which is generally equal to or slightly larger than the fourth diameter of the fourth recess so as to create { HEAD ~ a frictional fit } between the intermediate housing member and { TAIL ~ the lower housing member }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL