21. Discussions with the FTC also have involved talks on " expanded advertising disclosures about service trial and cancellation policies," 22. The extended service trials continued until 1937 with the first two production aircraft retained by the company exclusively for testing. 23. Pre-production Ki-44 aircraft and two of the prototypes were turned over to the Army for service trials on 15 September 1941. 24. The first public service trial of the Bell Solar Battery began with a telephone carrier system in 1955 in Americus, Georgia. 25. Three prototypes were then taken to Muroc Air Force Base ( later renamed Edwards Air Force Base ) for service trials . 26. Service trials of the first ICE 1 trainsets started in the fall of 1990, about a year later than originally planned.27. The HP . 38 proved successful during service trials at supercharged to 695 hp ( 518 kW ) in the Heyford III. 28. A BT promotional film for the service trial discusses a way users could download and play Nintendo video games via the system. 29. After a redesign and rebuilding of the wings the XTM5-1 was handed over to the Navy in May 1930 for service trials . 30. In numerous tests, including a U . S . Postal Service trial , re-refined oil was effective and equal to all other brands tested.
