以下の研究を、IWIN 2021で発表しました：
Tomoo Inoue, Asuki Nakanishi, Development of a safety training system for a portable grinder that combines virtual reality with an actual tool, Proceedings of the 15th International Workshop on Informatics (IWIN 2021), pp.211-214, Virtually Obama, Fuku, September 12-13, 2021.9.