Point to Cotton
Point to Glass
Assuming those are correct I lean Tube for the third word, fiber cables are essentially data tubes, there’s the ‘Internet is a series of tubes’ meme, and ‘pipe’ is the correct euphemism for tubes of fiber that connect data centers and the like.
On the tech side Scientist, Robot, and Pole could also make sense.
If we’re supposed to see the non-tech definition then Fork is probably my top lean since you don’t usually hook foods high in fiber in a Pan, with Oil, etc.