21.   Southwestern Bell Video Services plans to begin offering cable TV on a trial basis in Richardson, Texas, next year.

22.   That agreement allows the company to offer long distance service within its service region on a trial basis.

23.   The airline plans to test the telemedicine link once it introduces the entertainment system on a trial basis later this years.

24.   The computer-run trains began operating on a trial basis between the Capitol and Hart and Dirksen office buildings.

25.   The closest Gore came to criticizing his challenger was in a reference to school vouchers, which Bradley once supported on a trial basis.

26.   The company, New York Waterway, will operate the ferry service on the Upper East Side on a trial basis until November.

27.   The DOC service has been working on a trial basis for a month.

28.   The interactive curriculum was initially adopted in Aptos, on a trial basis, about five years ago, and at the time there was almost no opposition.

29.   The new system has been in use on a trial basis for several months at a Saturn dealership in Hempstead, N.Y.

30.   The others were added temporarily to the system on a trial basis.