A ballpoint pen is a writing instrument with an internal ink reservoir and a sphere for a point. The internal chamber is filled with a viscousink that is dispensed at its tip during use by the rolling action of a small sphere. The sphere, usually from 0.5 mm to 1.2 mm in diameter, may be made of brass, steel, tungsten carbide, or any durable, hard (nondeformable) material.
in the cr
Laszlo Biro was the inventor of the modern ballpoint pen.
The tagalog of ballpen or "Ball~point pen" to be more concise is "PLUMA"
Tagalog translation of BALLPEN: pluma
Laszlo Biro - a Hungarian, invented the modern ball-point pen. He filed a British patent for his invention in 1938.
That is Dangerous! When you taste the Ink from a Ballpen, You will die easily!
A ball point pen is 'styllo a bile'
ballpen
if u use red and blue ballpen why do u have a anoter party,?
because you have no ballpen
With a pencil or ballpen and paper! :))
pencil or ballpen