A process 1, wherein the powder of {TAIL ~ a synthetic resin} comprises {HEAD ~ fine particles} having a spherical shape 
A process 1 , wherein the powder of { TAIL ~ a synthetic resin } comprises { HEAD ~ fine particles } having a spherical shape
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH