From behind the closed panel came the sound of scraping, then the door cracked open to reveal an eye.

Myra shuddered, as she gazed at the closed panels.

The square outline of a closed panel was evident.

The potential benefits of closed panels are huge.

High-pitched warbles of sound emanated from behind the device's closed panel.

The creaks, still audible, were coming from beyond the closed panel of the dumb waiter.

It had an anteroom, with a closed panel where one was required to ring a bell.

LaFollet glared at the closed panel for a long, fulminating moment.

Then there is the concept of the "closed panel."

Turning away from her, he walked over to the door, stared at the closed panel.