Textbooks & problem sets for Denken 3rd class, materials to aim for passing, packed with past exam questions. - Title: Denken 3rd Class Machinery Textbook & Problem Set - Title: Denken 3rd Class Regulations Textbook & Problem Set - Title: Denken 3rd Class Power Textbook & Problem Set - Title: Denken 3rd Class Theory Textbook & Problem Set - Publisher: TAC - Features: Packed with past exam questions, materials to aim for passing Thank you for viewing. I purchased these and am selling them now that I have passed the exam. Please consider this, understanding that these are used items.