To pass on the expertise of skilled workers, it is essential to verbalize the information they possess. Although the utilization of digital transformation (DX) technologies, such as wearable devices, is progressing, various factors hinder their widespread adoption. These include restrictions on bringing digital devices into certain work environments, such as explosion-proof areas and sterile rooms, as well as the cost-effectiveness of purchasing equipment and developing programs.

Furthermore, how to utilize the formalized knowledge obtained to guide new employees is still a trial-and-error process in every industry.

This article reports on an attempt to formalize the skills of visual inspectors of vial formulations using eye-tracking technology and interviews. It also discusses the outcomes of using the obtained information to train new employees quickly (rapidly).