[Short-term pass] A water supply equipment construction chief engineer exam preparation app that allows you to easily acquire passing ability in just 5 minutes a day.
It is designed so that even busy students can study efficiently.
Recommended for those who want to make effective use of their free time, such as commuting to school.
Contains 300 questions from the past questions of the water supply equipment construction chief engineer exam.
We hope that it will be of some help to those taking the 2021 and 2022 exams.