This is an app that allows you to learn the past questions of the mobile crane operator qualification exam published in April 2023 in a quiz game format.Since the answer explanation is attached, you can learn well.The content is the same (one time) as the book "Mobile Crane Operator Past Problems and Answers Commentary Collection" sold by our company.It is a highly ranked product on Amazon.Amazonhttps://amzn.to/2BVbVZmRakutenhttps://a.r10.to/hfetAqPlease do your best.We are not responsible for any damage caused by viewing this app.
移動式クレーン運転士 2023年4月
