Assertion: germanium | /r/ObjectUse | used as a component of the glass
Facets:
value: in fiber-optic cable
type: LOCATION
value: primarily
type: DEGREE
value: in infrared optics
type: LOCATION
Source sentences:
text: Germanium is primarily used as a component of the glass in fiber-optic cable, in infrared optics (night-vision) devices, as a polymerization catalyst for the production of polyethylene terephthalate (PET) beverage bottles, and as a semiconductor and substrate used in electronic and solar applications.