Abstract
The purpose of this report is to exclude risk factors based on the instance of Hiyari Hatto(near-miss accidents)experienced by school personnel and students and to make the environment in which students can participate safely in the class and extracurricular activities. By means of the risk assessment and KYT(training for predicting dangers, (K:Kiken, Y:Yochi, T:Training), it has been considered how the college should control the experiments. As a results, the students have been able to work on the experiments without affecting the school facilities and students' working site, and the number of injuries has decreased.
