Assertion: pvc's effect | /r/HasProperty | obtained in terms of quality improvement
Facets:
Source sentences:
text: A major effect is obtained in terms of quality improvement since use of the method of this invention almost totally eliminates the occurrence of the streaks and wood grain marks which occur on the surface of the film or sheet in the conventional method when residual parts of the bank which have cooled because of their failure to rotate properly get mixed into rolled film or sheet and the occurrence of the fisheyes which are apt to occur in transparent or semitransparent film for similar reasons.