Crane / Derrick operator test preparation app new release.
You can easily acquire the passing ability while lying down without having to go to the desk to study for the exam every day.
This app is recommended for people who value efficiency and busy people.

Courses included in the crane derrick operator problem of this app ▼
Knowledge of cranes and derricks
Applicable laws and regulations
Knowledge of prime movers and electricity
Knowledge of mechanics required for crane operation
Reiwa 2nd year [2020] April Past problems
Reiwa 2nd year [2020] October Past problems

It will be added at any time in the future.