Specialized training text regarding the maintenance and management of septic tanks. - Title: Septic Tank Maintenance and Management, Volume 1 - Title: Septic Tank Maintenance and Management, Volume 2 - Related Materials: Septic Tank Related Laws and Regulations Collection - Publisher: Japan Septic Tank Association (Public Interest Incorporated Association) - Text Type: Training Text Thank you for viewing. This is the 2023 edition of the text. This text was used during a two-week training course, so it contains highlighting and writing. We appreciate your understanding before considering a purchase. The parts that frequently appear on the Septic Tank Management Technician exam are highlighted, so it may be helpful for exam preparation. Price negotiation is possible.