Standard textbook for the 1st and 2nd grade mechanical maintenance exams. - Title: Thorough Guide to Mechanical Maintenance - Author: Japan Management Association Management Center - Published: 2019 edition - ISBN: 978-4-8207-2160-0 - Contents: Textbook for 1st and 2nd grade exams The book cover has some tears. Stains are shown in the photos. The inside is relatively clean. Please understand that this is a used item before purchasing. Thank you. m(_ _)m