11.   It was not clear how the anthrax might have infected employees if the tainted envelope was sealed.

12.   Look twice before you seal the envelope.

13.   Place them in moisture-proof envelopes, removing excess air before sealing the envelope.

14.   She then carefully licked the flap and sealed the envelope.

15.   She said he spends his time working at the Frankfurt-Hoechst jail filling and sealing envelopes.

16.   She passed away blissfully, sealing envelopes made with toxic glue.

17.   Then Greg sealed the envelope.

18.   Senators who voted to keep the envelope sealed echoed the defense argument in explaining their decision.