Further, when {HEAD ~ a polishing layer} is made of thermoplastic polyurethane with a non foam structure and having {TAIL ~ a specific physical property}, the effects become more significant 
having
Further , when { HEAD ~ a polishing layer } is made of thermoplastic polyurethane with a non foam structure and having { TAIL ~ a specific physical property } , the effects become more significant
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH