エックス線作業主任者 2022年4月

Features エックス線作業主任者 2022年4月

It is an application that allows you to learn the past problems of the X-ray work chief qualification test announced in April 2022 in a quiz game format.You can learn well because the answer explanation is attached.The content is the same as the book "X-ray work chief past questions / answer commentary" sold by our company (one time).Please do your best.We are not responsible for any damage caused by browsing this app.