There needs to be a way to constantly monitor that the connection is good.

We should not - cannot - constantly monitor what our children see, hear and absorb.

Your computer constantly monitors the activity going on between the various components of the system.

So any weather changes along the track will have to be constantly monitored.

Would they be kept in here like lab animals, constantly monitored?

In addition, a passenger's position could be constantly monitored by the camera.

They were being constantly monitored the moon and from ships in space.

Those systems constantly monitor your position and calculate the most efficient course.

He said, "No, all you can do is constantly monitor it."

Meanwhile, the site would have to be constantly monitored and guarded.