Thank you for viewing. This is the "2022-2023 Edition High-Pressure Gas Manufacturing Safety Supervisor Exam, Class 2 Mechanical: Strategy Problem Collection." I was able to pass the Class 2 Mechanical exam using these past questions. It includes slightly older years, so I think you can prepare for a wide range of past questions. List price: ¥3520 No writing on the pages. Please consider this item, understanding that it is a used product. #Yasuhiko Miyoshi #Yasuhiko_Miyoshi #book #Electricity/Mechanical Engineering / Mechanical Engineering