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