Revised textbook for the Water Supply Equipment Construction Chief Engineer Examination. - Title: Water Supply Equipment Construction Chief Engineer Examination Revised 2nd Edition - Publisher: Ohmsha - Price: 2500 yen (excluding tax) - Series: Kore Dake Master (Master This Much) - Edition: Revised 2nd Edition It has been used, but there are no markings. I am also selling a 2018 edition of the past 6 years' question collection. How about both books together for 1500 yen? If you would like to purchase them together, please comment.