Use detailed manufacturing footage to create a 150-second educational video about pencil production. Show the entire process from graphite mining to cedar wood selection, capture the precise steps of core forming, wood casing assembly, and paint coating with macro lens details. Mix professional documentary music with authentic factory sounds. Voiceover script: 'From raw materials to writing instrument - discover how graphite and cedar wood transform into the pencils we use daily. Each step requires precise engineering and quality control.' Use professional male English voice. Make it for YouTube.