Akhiwe ngani amapensela?
Okuqukethwe
IzindluUmzimba wepensela yombazi ngokwesiko wenziwe ngokhuni oluqinile. | |
| Ukhuni oluqinileIzinhlobo zezinkuni eziqinile ezisetshenziswayo zihlanganisa i-oki, umlotha kanye ne-beech: lezi yizinkuni eziqinile eziyigugu ngenxa yamandla azo kanye nokuqina. |
 | IzindabaIpensela "lead" yathola igama layo eqinisweni lokuthi umgogodla wayo wawenziwe ngomthofu ngaphambilini. Amapensela esimanje anomongo wegraphite. |
 | I-graphiteI-graphite iyisici samaminerali esakhiwe ama-athomu e-carbon. I-graphite ngokwezwi nezwi isho "itshe lokubhala" njengoba selisetshenziswe amakhulu eminyaka njengengqikithi noma "intamo" yamapensela. |
Kungeziwe
in
