It is an application to efficiently pass the Class A hazardous materials handler test.Carefully selected questions that often appear in the exam.You can study efficiently in the gap time.All 500 questions have explanations.Please use it as a reference book for the Class A Hazardous Materials Handling Examination or as a past problem + α.It is also recommended to use this app as a reconfirmation just before the test.We hope you find it useful.1: Laws and regulations regarding dangerous goods ...
160 questions2: Physics and Chemistry ...
110 questions3: Nature, fire prevention, fire extinguishing method ...
230 questions(500 questions in total)
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危険物取扱者 甲種 試験対策の頻出問題集アプリ2023年版 for Android – Latest Version & Features
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