Visually, they don't break up the smooth plane of the wall.
From the charlotteobserver.com
Zoya brushed the crucifix out of the way so she could unzip the top of her pantsuit and show Arkady a bruise that ran like a grape stain on the smooth plane of her breast.
From the denverpost.com
Galileo predicted that if a perfectly round and smooth ball were rolled along a perfectly smooth horizontal plane, there would be nothing to stop the ball.
From the en.wikipedia.org
Lotz wheeled the woman off the plane, but her exit wasn't entirely smooth.
From the usatoday.com
We finally climbed aboard a big, long, sleek Delta plane for a smooth-as-silk flight to Atlanta.
From the newsobserver.com
The plane abruptly entered a smooth 650-ft.
From the time.com
The initially undistorted plane waves that hit Earth's atmosphere, however, are no longer smooth.
From the usatoday.com
The ascent was smooth and steady, he said, until the explosion on the left side of the plane.
From the latimes.com
The plane turned around and the landing was very smooth.