1.   Tear along the perforated line and return the bottom part of the form.

2.   On second thought, it is time to tear along the perforated lines and prepare the Mariners playoff tickets for use.

3.   There was concern during the summer that rickety newcomer Warren Moon might not survive September behind a perforated offensive line.

4.   You can then break the tile along this perforated line by pressing it against the edge of a table.