21.   Hungary expressed its desire to leave the alliance, while Czechoslovakia favoured retaining the Pact until the creation of a pan-European security system.

22.   He called on the North Atlantic Treaty Organization and the Warsaw Pact to move gradually toward the ideal of an entirely new security system for Europe.

23.   Losses eventually led Midas to introduce security tagging systems, but Turner knows experienced lifters are well aware of how to get around such systems.

24.   Most importantly the hotel gains a security system whose cards cannot be copied at the local locksmith.

25.   The cost of replacinng a keycard is crucial in a good security system.

26.   See the security systems the alarm erm is nineteen pound.

27.   Car security systems are becoming increasingly sophisticated.

28.   PC Dave Fishwick, of Darlington police, said he would contact the council about putting in a security system at Wesley Court.

29.   Mr Richardson claimed that, using a BBC microcomputer, the defendant was able to trick computer security systems into believing he was a bona fide systems analyst.

30.   Although the White House is opposed to the idea, Congress is considering transforming the patchwork private airport security system into a federally-run operation.