41.   He says his system would not require any contact with people being tested.

42.   He uses only a hand-held microphone, because any other kind of sound system would require knowing whom he planned to interview in advance, and he never does.

43.   However, Tuttman said, very large systems may require specialized computers.

44.   If you use autonumbering and save the file in the plain text form many E-mail systems require, the automated indentations disappear.

45.   In short, the system requires a degree of permanent unemployment to stay healthy.

46.   In particular, Russell argues, a market system requires freedom of information and ideas.

47.   It is for this reason that such systems require a more elite-dominated political culture, since the filtering of popular passions must occur through extra-institutional means.

48.   It needed a new transmission and its electrical systems required an overhaul because it had been flooded.

49.   Kennett said the new system would require drivers to pay tolls to use the system.