"But where there is a safety problem we have moved to deal with it quickly," he said.

It has been shut since last year because of safety problems.

Industry officials say implants have been on the market 30 years without any major safety problems.

All three have been halted for two years because of safety problems.

The city has stopped work there six times because of safety problems.

Yet there has been a growing trend of safety problems.

Investigators said there had been no security or safety problems.

No safety problems were found on any of the planes, he said.

In short, this safety problem particularly involves the countries of the East.

"Parents have good information about safety problems, and we need them as partners," he said.