= Organized contents =
Elevator driver: 2016-2022
Elevator Technician: 2009-2016
Air Conditioning and Refrigeration Machine Technician: 2011-2016

= Problem notes, incorrect answer notes, test mode, and study mode are supported.

= It was created so that you can conveniently solve problems during public transportation or during breaks. If you study in your spare time, I hope you will get good results.

= It will be continuously updated.

[Required access rights]
- Storage: Saves problem information solved by the user within the app, and saves comprehensive problem solving information such as ‘favorites, incorrect answer notes’ and scores, which are personal information related to the problem.
- WIFI connection information: Detects the Internet connection status and uses it to send advertisements.
-In-app payment: Used for removing advertisements and using other services if the user needs them while using the app.