Assertion: fiber optic cable's strand | /r/CapableOf | call optical fiber
Facets:
Source sentences:
text: Each strand, called an optical fiber, is as thin as a human hair.
text: Each strand, called an optical fiber, is as thin as a human hair.
text: Each strand, called an optical fiber, is as thin as a human hair.
text: Each strand, called an optical fiber, is as thin as a human hair.