And these fighter craft were already resting at about a thirty-degree angle.

Have one of the technicians tilt a bed so it is at a thirty-degree angle to the floor.

"That means you'd have to turn through a thirty-degree angle between segments," Paula commented.

Now they were at a thirty-degree angle to my internal "level."

The deck, he estimated, was canted at about a thirty-degree angle.

The gunfire came from their left, and farther ahead, at about a thirty-degree angle to the line of march.

The floor sloped away in front of them, spiraling down at a thirty-degree angle.

She headed into the berth at a thirty-degree angle, her speed now eight knots.

The sec- ond car had hit at about a thirty-degree angle to the first.

"More stairs from there, going up at a thirty-degree angle."