About KIDA KENTA
About 茨城大 大学院教育学研究科
About YASUDA KEN'ICHI
About 茨城大学教育学部紀要 教育科学(Web)
About plastic working
About school education
About junior high school
About lathe
About metal
About working and processing
About spinning (plastic working)
About metal mold
About steel plate
About tray (container)
About press working
About bending (plastic working)
About machinery
About Engineering education
About Science and engineering education
About へらしぼり加工
About 中学生
About 塑性加工
About 教材
About 開発