Assertion: lead pencil's lead | /r/HasProperty | poisonous
Facets:
value: highly
type: DEGREE
Source sentences:
text: They use graphite because lead is poisonous.
text: Metallic lead, the poisonous one, has much of the same properties as graphite and slivers or rods of lead have been used for drawing since ancient times.
text: Lead is a highly poisonous metal (whether inhaled or swallowed), affecting almost every organ and system in the human body.
text: Why is lead used in pencils even though lead is poisonous?
text: Lead is poisonous.
text: It is not used today because real Lead and its various compounds are poisonous and are also very expensive compared to Carbon.