21.   Although Zeneca manufactures the drug, it has no international patent protection for the drug, leaving it open to widespread competition.

22.   An electronic voice will also tell cashiers when they have made a mistake, and an alarm will sound if a cash drawer is left open too long.

23.   An overcrowding in the industry has kept the average assets of each bank low, leaving them open to bank runs and liquidity problems.

24.   And he did not move to lock the doors of dorms, normally left open as a symbol of community.

25.   And the bishops left open the definition of faithful, which colleges say leaves them open to lawsuits.

26.   And, if there are not enough windows for good cross-ventilation and air flow, sometimes the bulkhead door can be left open.

27.   And when Rivera left himself open, Whitaker took advantage.

28.   Any changes to the rules governing these licenses could leave governments open to litigation, and that is likely to limit the financial relief available, analysts said.

29.   Are people severed harshly and hustled out of the building, or is the door left open for a possible return?

30.   As a result, the CIA post was left open while the Bush team played musical chairs.