If desired, {TAIL ~ the spring} 34 may be in the form of a hollow tube, with {HEAD ~ a diameter} in the range of from two to five inches 
If desired , { TAIL ~ the spring } 34 may be in the form of a hollow tube , with { HEAD ~ a diameter } in the range of from two to five inches
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH