{HEAD ~ and the shape} of sphere, rod or {TAIL ~ others}, which is a novel material not known in the relevant art 
of
{ HEAD ~ and the shape } of sphere , rod or { TAIL ~ others } , which is a novel material not known in the relevant art
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH