For it alone is embraced by a single surface, while rectilinear solids have several.

Power is sent directly (no reduction gears) to a single surface piercing prop.

The tail had two vertical rudders with a single horizontal surface between.

These segments will then be arranged to form a single optical surface.

Other drawings mark off a single surface and show the artist to be using the wall as a canvas.

I'll buy you a beer if you can find a single large flat surface on this bird.

The problem: unlike stone, concrete goes down as a single surface.

Prints are created from a single original surface, known technically as a matrix.

He edged into the flat without touching a single surface and was back out of Bob's rented rooms in a little over a minute.

There did not seem to be any other way to allay the concern but to test every single exposed surface.