Quickly he took the touchstone in his fingers and held it to the blank surface where the doorway had been.

The canvas was new, its blank surface awaiting the artist's touch.

Suddenly, an amazing transformation took place in that blank surface.

There was a screen on one wall of the room and that showed nothing, a blank, dark surface.

There was a click from the box, and a picture appeared on the blank surface.

He saw words along the upper left side of the flat, blank surface.

He picked it up and ran his fingers across its blank surface.

Between us, on the blank surface of the desk, I placed my tape recorder.

Also, the closer the hands are to the blank surface, the sharper the shadows will be.

It was amazing, how much expression could come through the blank shining surface of space armor.