Assertion: tungsten | /r/ObjectUse | used as pure metal
Facets:
value: in modern technology
type: LOCATION
value: widely
type: DEGREE
Source sentences:
text: Tungsten can be used as a pure metal or mixed with other metals to make alloys.
text: In modern technology, tungsten is widely used both as pure metal and in the form of a number of alloys, the most important of which are alloyed steels, hard alloys based on tungsten carbide, and wear-resistant and temperature-resistant alloys.