It is an application to learn the hazardous materials handler test and the second class flammable solid.
A 5-choice question will be given.
Learn using the answer button.If you have any additional requests, we would appreciate it if you could contact us.
https://andro.io/app/kakokiken2
Power 100
Android app profile
危険物取扱者試験問題集 第２類引火性固体 for Android – Latest Version & Features
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> 2.2k
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~$900
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