Assertion: lead pencil's lead | /r/ObjectUse | used in the pencil
Facets:
value: through the 1960s
type: TEMPORAL
value: from the 1930s
type: TEMPORAL
Source sentences:
text: It means that the pencil is hard and black, and depicts the hardness and the nature of the lead used in the pencil.
text: It means that the pencil is hard and black, and also depicts the hardness and nature of the lead used in a pencil.
text: Slim" lead of 0.9 mm (.036 inch), used in most pencils from the 1930s through the 1960s, is still widely available, despite the continuing onslaught of ever-slenderer leads in the last couple of decades.
text: The lead used inside the pencil is made up of a material, namely graphite – an allotrope of the carbon.
text: It means that the pencil is hard and black, and depicts the hardness and the nature of the lead used in the pencil.
text: Although, both the grading systems depict and determine the nature and hardness of the lead used in the pencil, both the grading systems are widely used in different countries across the world based on their popularity.
text: This is just a convenience feature; it has absolutely nothing to do with the pencil operation or the lead that can be used in the pencil.