Yet even with the laws requiring local control, working conditions have not improved much.

An example is when international treaties require control of a substance.

Q. Are there any services that really require municipal control?

If they are accepted, the new standards would require control of all access points in the buildings, the spokesman said.

If the disorder is severe the patient may also require full care and, very occasionally, physical control.

He saw his problem, suddenly, as one that would require control of his own brain.

The lesson is simple but requires control of the voice and the facial muscles.

"We require more stringent controls on those facilities than are used in any other state."

Not all insects, weeds, and other living organisms require control.

This requires very precise control of the laboratory environment in order to get reliable results.