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