11.   But now a New York theater that is home to some classical music institutions is considering an electronic sound enhancement system on an experimental basis.

12.   But the agency can permit unapproved treatments on an experimental basis.

13.   Currently, a number of companies are permitted to do these things, but only on an experimental basis in some cities.

14.   Even watermelon has been dried on an experimental basis.

15.   Gore has criticized Bradley for supporting the plan on an experimental basis.

16.   He agreed to prescribe the drug on an experimental basis.

17.   Last month the National Institutes of Health applied to the drug agency for permission to use cidofovir for smallpox on an experimental basis.

18.   Navy engineers also have modified submarine sonar systems to send encoded messages on an experimental basis.

19.   Nihongo Fun may be made available to individual teachers in other district schools on an experimental basis.

20.   No final decision has been made, though, and if the policy is adopted, it will be on an experimental basis.