Assertion: tungsten | /r/ObjectUse | used in light bulbs
Facets:
value: as a filament
type: MANNER
value: widely
type: DEGREE
Source sentences:
text: Tungsten is used in products such as x-ray tubes, light bulbs, high-speed tools, welding electrodes, turbine blades, golf clubs, darts, fishing weights, gyroscope wheels, phonograph needles, bullets, and armor penetrators.
text: Tungsten is widely used in light bulb and vacuum tube filaments, as well as electrodes, because it can be drawn into very thin metal wires that have a high melting point.
text: Tungsten can also be used in light bulbs as a filament and any other time you need a hard, heavy metal.
text: Tungsten is used in products such as x-ray tubes, light bulbs, high-speed tools, welding electrodes, turbine blades, golf clubs, darts, fishing weights, gyroscope wheels, phonograph needles, bullets, and armor penetrators.