21.   Other classes of mail, which do not contain personal correspondence, may be opened without a search warrant.

22.   The clerk turned him down because the cash register could not be opened without a food order.

23.   The group suspended the distribution last October, after complaints from police officers that the locks could be opened without a key.

24.   The Guard replied with tear gas, then suddenly opened fire without warning.

25.   The legal distinction is important, because it allows the school to open without any action by the chancellor, Dr. Rizzo said.

26.   The markets opened without a hitch after repairs to a Chicago computer system that failed on Wednesday.

27.   The person opening the mail can place a suspicious envelope inside the box and open it without touching it, company President Ken Bliss said.

28.   The Tokyo stock exchange, which was closed Monay, opened without trouble Tuesday morning.

29.   Then, after capturing the prestigious Indiana Sprint Week title, doors began to open without Yeley knowing it.

30.   There was no way to open it without a knife or scissors.