It is an application that allows you to learn the past problems of the mobile crane operator 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 "Mobile Crane Operator Past Questions / Answers Commentary" sold by us (one time).It is a product that is often ranked in Amazon.Please do your best.We are not responsible for any damage caused by browsing this app.
移動式クレーン運転士 2022年4月
