{HEAD ~ a spring} mounted in {TAIL ~ said box end}, said spring having a first end and a second end, said spring arranged radially relative to said axis of said box type end 
mounted in
{ HEAD ~ a spring } mounted in { TAIL ~ said box end } , said spring having a first end and a second end , said spring arranged radially relative to said axis of said box type end
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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