{HEAD ~ The substantially linear olefin polymers} have {TAIL ~ high melt elasticity} and, relatively narrow molecular weight distributions with exceptionally good processibility while maintaining good mechanical properties and they do not melt fracture over a broad range of shear stress conditions 
have
{ HEAD ~ The substantially linear olefin polymers } have { TAIL ~ high melt elasticity } and , relatively narrow molecular weight distributions with exceptionally good processibility while maintaining good mechanical properties and they do not melt fracture over a broad range of shear stress conditions
HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH