768 "Koshu Dangerous Materials Handler Super-Fast Master" Dangerous Materials Research Group Price: ¥2852 #DangerousMaterialsResearchGroup #Book #Nature/Chemistry #Itowaro's [The explanations are outstandingly easy to understand!] A book that is useful from the start of learning to the final review! There are three types of Dangerous Materials Handler exams: Koshu (Class A), Otshu (Class B), and Heishu (Class C). Among them, Koshu can handle all types of dangerous materials. Accordingly, the difficulty level is also exceptional, with questions covering a wide range of topics, from the properties of dangerous materials to storage methods, fire extinguishing methods, and laws. This book is concisely compiled so that you can understand it even without prior knowledge, and it is a textbook & problem book that allows you to efficiently study to pass the Koshu Dangerous Materials Handler exam in a short period of time. [Features of this book] ◆ "Summary & Memorization" is included at the beginning of each section. You can grasp what you will learn in each section at the beginning. ◆ Clearly explained, grasp important terms and frequently tested areas. Important terms and frequently tested areas are explained in the side notes, so you can study while checking important points. You can also grasp important points at a glance by changing the text color in the main text. ◆ Input learning and output learning in one book Challenge problems are included at the end of each section. You can immediately check the knowledge you have gained through learning. Even those who are busy with practical work can easily study with this book!