{HEAD ~ A rubber thread} includes in cross section {TAIL ~ a first rubber portion} and a second rubber portion 
includes
{ HEAD ~ A rubber thread } includes in cross section { TAIL ~ a first rubber portion } and a second rubber portion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH