Assertion: graphite | /r/ObjectUse | used in lead pencils
Facets:
value: in microcrystalline
type: LOCATION
value: mixed with clay
type: OTHER
value: in nearly amorphous form
type: OTHER
value: widely
type: DEGREE
Source sentences:
text: Graphite is widely used in lead pencils.
text: Graphite is used as a lubricant and is used as a pencil lead.
text: Graphite is used for lead of pencils.
text: In microcrystalline and nearly amorphous form, it is used as a black pigment, as an adsorbent, as a fuel, as a filler for rubber, and, mixed with clay, as the “lead” of pencils.