This is a collection of questions for the Class 4 Hazardous Materials Handler Examination.

Features
① Study by subject, with multiple-choice questions just like the real thing.
　Based on past test trends, questions covering the entire range are included, with explanations.
　Questions are presented in a question-and-answer format, and you can check your accuracy rate after answering.

Laws and Regulations: 468 questions
　Physics and Chemistry: 397 questions
　Properties and Fire Extinguishing: Approximately 239-326 questions (varies by category)
　Total: Approximately 1,110 questions

② Check and Save Functions
　Automatically remembers questions you got wrong and prioritizes questions you got wrong or have not yet answered. The save function also allows you to resume your studies even if you stop midway, allowing you to continue solving questions from where you left off when you restart, allowing you to study efficiently.

③ Progress Bar
　A bar above the questions lets you track your progress, providing a useful guide for studying.

④ Questions presented in the actual exam format
　Just like the actual exam, you can study with a total of 35 questions. The questions are randomized each time, so you can try them as many times as you like.
At the end of the test, the correct answer rate for each subject and the overall correct answer rate are displayed.

⑤ Includes a glossary.

⑥ Includes textbook functionality.

The LITE and trial versions require an internet connection to display advertisements, but the app itself can be used even in environments without an internet connection. The paid version does not require an internet connection at all.