On Friday, the prime minister demanded corrective steps, and regulators began an investigation.

But the system is not designed to correct this kind of problem, so such corrective steps will probably have limited effect.

He said the agency is taking corrective steps to reduce the number of flawed trials.

Machine operators learned who was using too much water in the process, and corrective steps were taken.

"But we trust the officials will take corrective steps so that no one will be put in danger again."

When an environmental inspection first found the problems, lab officials said they were taking corrective steps.

Since then, the court has been trying to have the city take corrective steps.

In addition, he said, "I think it is important for people to know that we are taking corrective steps."

The corrective steps are small enough to be musically unobtrusive.

But the agency forged ahead without taking any corrective steps.