This is the textbook for the Instrumentation Engineer Technical Maintenance Training in Heisei 29. Thank you for viewing. I have checked for any writing, but I believe there are no noticeable markings. The content of the text allows you to understand the technical trends in each field. Also, it is a voluminous material covering a wide range of fields. - Will be shipped in a plastic bag. - Please refrain from price negotiations. - Please understand that this is a used item before purchasing.