71.   Six years ago, the major supermarket chains began testing checkout systems that would let customers check out items by themselves.

72.   Shortly before Christmas, Jones and Filo tested the system.

73.   Some described how an employee testing security systems smuggled a large piece of metal through a checkpoint.

74.   Southwest Airlines next month will begin testing a system that for the first time will make curbside baggage check-in available to passengers traveling without printed tickets.

75.   Southwest began testing the system six months ago in Texas and Arkansas.

76.   The administration also said it would begin clearing trees in Alaska next month for a launching pad and would rapidly step up the pace of testing the system.

77.   The bios is the built-in software that tests your system at startup and makes sure the software can work with the hardware.

78.   The company has been testing the system in the California desert, and hopes to carry commercial payloads next year.

79.   The broad security bill would let some airports test a system with private screeners after three years.