Thank you for viewing. This product has only been used a few times since purchase. I am willing to offer a small discount. This is a test preparation text for construction machinery construction management technology. It features explanations of all exam subjects and highlights important points. - Title: Construction Machinery Construction Management Technology Essential Certification Exam Text - Year: 2024-2025 - Target: Level 1 and Level 2 - Contents: Explanations of all exam subjects (Types 1-6) - Features: Important points for the exam are highlighted in red. Thank you for viewing.