It is an application that allows you to learn the past questions of the first-class boiler engineer 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 as the book "First-class boiler engineer past questions and answers commentary collection" sold by our company (one time).Please do your best.We are not responsible for any damage caused by viewing this app.
https://andro.io/app/boiler1k201904
Power 100
Android app profile
一級ボイラー技士 2023年4月 for Android – Latest Version & Features
by TAKARA license 株式会社
★★★★★
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> 2.2k
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~$900
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