dr. gregorio zara
A homonym for "plain" is "plane," which can refer to a flat surface or a type of aircraft.
plain, plane
plain, plane
plane and plain
No, it is strictly a cargo aircraft.
They have never found her aircraft.
Plane - a flat surface or a type of aircraft.
Gregorio Zara was a Filipino engineer and physicist who invented the two-way television-telephone, which was a precursor to the modern videophone. He is known for his contributions to the development of the first Philippine-made television.
The homonym for plain is plane. "Plain" refers to a flat or simple surface, while "plane" can refer to a flat or level surface, an aircraft, or a tool for smoothing wood.
Supposing you mean an Airplane/Aircraft: yes, you can carry a pen.
A plane (not plain) moves because the engine inside it gives it energy.