発破技師

It is an application for aiming to acquire a blasting engineer.

A lot of 100 questions with multiple-choice questions from the past.

Since it is a quiz format, it is a free application that allows you to learn while having fun.

It is a national qualification that is advantageous for employment, so it is also suitable for changing jobs and advancing your career.

Please study in your free time, such as on the commuter train or during breaks.

I would be happy if I could help you even a little so that you can pass the exam.

I wish you success.