Sentence examples for has existed to control from inspiring English sources

A strict policy has existed to control the opening of new public, but not private, schools.

As long as human culture has existed, control has meant some kind of power over the environment.

"It took a while to get here but this esports thing is here," says Scalvos.

Although the febrile response has existed for millions of years, controlled studies evaluating the benefits of fever do not exist.

Over 98% of labors are performed at specialized medical centers under the care of clinical nurse midwives [ 11] and an extensive program of prenatal control has existed for decades.

The technology to limit car speed has existed for more than 50 years — it's called cruise control.

It is a mere 80 years since deodorant was invented, the remote-control garage door has existed for barely 35 and only in the last five years have surgeons discovered how safely to remove tumours from our adrenal glands and insert aortic keyhole valves into our hearts.

The company is eliminating the ability for people to hide themselves on Facebook's search, a control, that until now, has existed in the privacy settings on the company's Web site.

However, a counterbalancing bias may have existed: exposed controls, upon learning that pesticides were one of the major research interests, may have been more interested in participating than nonexposed controls.

Africa's basic vegetational zones are believed to have existed in approximately the same climatically controlled series and with the same characteristically developed species for a long period of time; indeed, some ancient African plant families such as the cycads, which evolved some 200 million years ago still have living representatives.

his homes seem to have existed forever".