11.   The dynamite plant is surrounded by a chain-link fence to keep unwanted visitors out.

12.   The only sure way to keep out all unwanted visitors is to unplug from the Internet.

13.   Visitors drive up a road until they come to a guard who keeps unwanted visitors out.

14.   A locked metal door and an intercom kept out unwanted visitors.

15.   All to be rudely interrupted by an unwanted visitor.

16.   An elaborate security system at his office ensures that all unwanted visitors stay firmly outside.

17.   Immigration Minister Sergio Marchi has ordered a crack down on criminals, illegal aliens and other unwanted visitors to Canada.

18.   Most importantly, it said, Thais must learn to restrain their traditional generosity toward beggars if the country is to discourage the unwanted visitors.

19.   The announcement of the discovery was delayed so officials could protect the site from unwanted visitors.

20.   The discovery was not announced until Wednesday so officials could protect the site from unwanted visitors.