1. Size of the hole where water is leaking
2. Water Pressure
3. Soil Conditions
4. Pipeline Materials
5. Road Conditions
6. Water Composition
7. The Sound of Water
8. Drainage Noise
9. Air Conditioning and Heating Noise
10. Traffic Noise
Wind Chimes
12. Electric Transformer and Vending Machine Noise
Electricity, cables, motors, and pump noise
14. Noise leakage in voids


