It might be that one of the sticks bends in the plane perpendicular to the picture, but we can't see that.
Finish surfaces to a true plane , to correct line and level, with all angles and corners to a right angle unless specified otherwise, and with walls and reveals plumb and square.
Earlier Aronhold had worked on plane curves and the problem of the nine points of inflection of the third order plane curve which had been discussed by Plücker some time before.
It's a flat plane of blue today, barely brighter than the gray sky over the industrial cranes at water's edge.
Be sure your arms stay in line with your shoulders and in a vertical plane (straight up in the air).
Emei's flora is renowned; sub-tropical ferns and strands of bamboo huddle amidst plane and fir trees.
Among the subjects to which his principal papers related were plane and solid geometry, theory of numbers, and link motion.
When an element of plane division suggests to me the form of an animal, I immediately think of a volume.
This is true only on a high plane of metaphysical logic, but it is true.
Stepping into this world was like stepping into a whole new plane of existence.