The employer shall, in the case where the works of fitting, replacing or adjusting the dies of a power press are carried out, and when a part of the body of the worker engaging in the said work enter a dangerous zone, take such measures as having the said worker use safety blocks, etc., in order to prevent the worker from dangers due to unexpected descent of the slide.〔【出典】日本法令外国語訳データベースシステム 〕