21.   Among the information being exchanged by the teams were specifications for extra bracing for the rear wings.

22.   Coulthard was forced to relinquish his second place with seven laps to go, when he was called in by his team for an examination of his rear wing.

23.   The rear wing shredded off and the car skidded to a stop on the main straightaway, just short of the start-finish line.

24.   Tyrrell Yamaha has also been testing intensively since Germany with its new suspension and rear wings giving more downforce.

25.   Other rule changes also reduce the effectiveness of the rear wings.

26.   Several teams have found that the stronger rear end, to meet new crash tests this year, has transmitted unexpected vibrations, cracking rear wings and other parts.

27.   The investigators were also concerned about a gaping hole found in the casing of the engine at the rear wing, the reports said.