Easy to Understand! Class 4 Fire Protection Equipment Technician Exam Kobunsha *No price reduction* I studied with this text and successfully passed the exam. It was actually used, so it's used and shows signs of wear. I erased some pencil markings with an eraser, but some traces may remain, so please refrain from purchasing if you are concerned. #FireProtectionEquipmentTechnician #Class1 #Class4 #Class6 #PastExamQuestions #KudoBook #MasatakaKudo