text: [{"text_idx": "#000003", "text": "Chapter 3 Mechanics of Materials"}, {"text_idx": "#000004", "text": "Chapter 4 Theory of Mechanisms"}, {"text_idx": "#000005", "text": "Chapter 6 Theory of Vibration"}, {"text_idx": "#000006", "text": "Chapter 7 Principles of Heat Transfer"}, {"text_idx": "#000009", "text": "Gas Dynamics and Jet Propulsion"}, {"text_idx": "#000011", "text": "Disclaimer: All information/materials available on this website are for educational and informational purposes only. However, These books pdf were provided for students who are financially troubled but deserving to learn."}]