✨【Denken 3rd Class Straight to Success Series + Math Textbook Included】✨ ✅【Set Contents】 ⚫︎『Denken 3rd Class Straight to Success: Theory』 by Hideo Sugawara ⚫︎『Denken 3rd Class Straight to Success: Power』 by Hideo Sugawara ⚫︎『Denken 3rd Class Straight to Success: Machines』 by Hideo Sugawara ⚫︎『Denken 3rd Class Straight to Success: Regulations』 by Hideo Sugawara ⚫︎『You Can Do It! Math for Passing Denken 3rd Class』 by Masahito Ishii This is a complete set of study materials including all four subjects of the Straight to Success series, plus a supplementary textbook to build the essential math skills needed to understand Denken 3rd Class. ✅【Product Features】 □ Covers all four subjects required for the Denken 3rd Class exam (Theory, Power, Machines, Regulations) □ Easy-to-understand explanations and abundant examples, perfect for self-study □ Includes a math textbook to build a solid foundation from the basics □ Efficiently improve your skills by studying multiple books together ✨【Product Condition】 ⚫︎ "No noticeable scratches or stains" ⚫︎ Some signs of use ⚫︎ No writing, no problem with reading ✅【Recommended for】 ⚫︎ Those taking on Denken 3rd Class for the first time ⚫︎ Those who want to study each subject thoroughly ⚫︎ Those who want to review from basic math ⚫︎ Those aiming to pass through self-study in a short period ⚠️Notes Please refrain from purchasing if you are looking for a perfect item or are concerned about details, as this is a used item. #Denken3rdClass #Denken3rdClassReferenceBook #Denken3rdClassStraightToSuccess #Theory #Power #Machines #Regulations #Math #QualificationExam #ReferenceBook #ElectricalChiefEngineer #SelfStudy #QualificationStudy #ExamPreparation #LumenLaboratory