The car proved much more reliable and a constant challenger to score points.

Such a strategy has proved reliable over the last 30 years.

This time, commanders said, witness accounts have proved less reliable.

The equipment proved even more reliable than we could have expected.

But such security systems have not proved completely reliable, experts say.

This system had proved reliable in the control of two motors.

"My intelligence sources have always proved reliable in the past, Lieutenant."

Once again, the Herald's sources of information had proved utterly reliable.

"You could do it after the technique has been proved reliable," he said.

This is the current situation and has proved reliable in terms of protecting public health.