. "perforated" . "perforated edge" . . "perforated line" . "Perforated" . "Perforating" . "perforating" . . "unperforated" . "perforators" . "rupture" . "perforation" . . "imperforate" . "Perforation" . . . "perforations" . "perforate" . . "micro-perforations" . "Perforation" . .