We also have to control the number of people in the area.

County officials say the law is necessary to control the number of students living in the city.

One issue was who would control the rising number of claims.

Their numbers are still controlled in and around the house.

Laws controlling the number of children a man might have.

These groups control not only the number of doctors practicing medicine but also which students get an education and where they study.

This way the company can control the number of people inside what is typically a cramped house.

Couples often desire to control not just the number of children, but also the timing.

The 'measurement' itself is done in such a way that the numbers of people doing well can be controlled.

But privacy activists have raised questions about the security of the software used to control the number.