Assertion: atom's area | /r/CapableOf | provide increasing market
Facets:
value: for germanium
type: TRANSITIVE-OBJECT
value: from 1950
type: TEMPORAL
Source sentences:
text: From 1950 through the early 1970s, this area provided an increasing market for germanium, but then high-purity silicon began replacing germanium in transistors, diodes, and rectifiers.