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A pencil (/ˈpɛnsəl/ ⓘ) is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand.
History, Overview & External colour and shape
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pencils graphite lead used clay also wood use made core black usually cores writing end sometimes paper first manufacturers plastic
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Pencil | is a | German carpenter's pencil dating from the 17th century and now in the Faber-Castell collection.CopyingCopying pencils | 0.90 | text |
| Pencil | is a | German carpenter's pencil dating from the 17th century and now in the Faber-Castell collection | 0.90 | text |
| Pencil | is a | mix of finely ground graphite and clay powders | 0.90 | text |
| glass or porcelain.The most common pencil casing is thin wood | instance of | oily core that can leave marks on smooth surfaces | 0.80 | text |
| usually hexagonal in section | instance of | oily core that can leave marks on smooth surfaces | 0.80 | text |
| but sometimes cylindrical or triangular | instance of | oily core that can leave marks on smooth surfaces | 0.80 | text |
| permanently bonded to the core | instance of | oily core that can leave marks on smooth surfaces | 0.80 | text |
| the Japanese Black Polymer 999 | instance of | and it also sold wood cased graphite pencils | 0.80 | text |
| BB | instance of | Softer or harder pencil grades were described by a sequence or successive Bs or Hs | 0.80 | text |
| BBB for successively softer leads | instance of | Softer or harder pencil grades were described by a sequence or successive Bs or Hs | 0.80 | text |
| and HH | instance of | Softer or harder pencil grades were described by a sequence or successive Bs or Hs | 0.80 | text |
| HHH for successively harder ones | instance of | Softer or harder pencil grades were described by a sequence or successive Bs or Hs | 0.80 | text |
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