◎ Instant purchase OK! ◆ 2022 edition (Late Heisei 30 - Early Reiwa 3) This is the official problem answer and explanation collection for the Class 2 Boiler Technician exam, compiled by the Japan Boiler Association. I was able to pass the exam on the first try by repeatedly reviewing the example questions more than 3 times!! Some questions on the exam were taken directly from the example questions. ◆ Condition: It is in relatively clean condition with no folds. ※ Please understand that there may be initial wrinkles. We cannot be held responsible for any defects. ※ Please understand that this is a personal inspection. ※ I have tried to photograph the item to be as close to the actual color as possible, but please understand that there may be slight color differences. ※ We will ship with water damage protection and using recycled materials. ※ Comments that do not lead to a transaction or that do not receive a response within 24 hours will be deleted, so please understand.