Assertion: ballpoint pen's pen | /r/CapableOf | move along the paper
Facets:
Source sentences:
text: As the pen moved along the paper, the ball rotated, picking up ink from the ink cartridge and leaving it on the paper.
text: He and his chemist brother George discovered that the thicker ink would not flow properly in a fountain pen and devised another design featuring a ball bearing at the end of a shaft that distributed ink as the pen moved across paper.
text: As the pen moved along the paper, the ball rotated, picking up ink from the ink cartridge and leaving it on the paper.