Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 精密機械工業　技術映画シリーズ　第一部切削工具　ハクソウ編. That video is uploaded by NPO法人科学映像館 at 2022-07-06T18:15:00-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [XfNacVYpzfQ]