| 1. | Top five contributory factors of traffic accidents in 1999 1999年交通意外五大成因 |
| 2. | Contributory factor - casualty driver , passenger or pedestrian 涉及死伤者驾驶人乘客或行人的成因 |
| 3. | Table 7 . 6 the top five contributory factors of traffic accidents in 1999 表7 . 6 1999年交通意外五大成因 |
| 4. | Environment contributory factors 导致意外的环境成因 |
| 5. | Environment contributory factor 导致意外的环境成因 |
| 6. | Transport department - top five contributory factors of traffic accidents in 1999 运输署- 1999年交通意外五大成因 |
| 7. | Vehicle contributory factor 导致意外的车辆成因 |
| 8. | Contributory factor - vehicle 涉及车辆的成因 |
| 9. | Figure 3 . 7 driver contributory factors by severity of accident 2002 7二零零二按严重程度划分的导致意外的驾驶者成因数字 |
| 10. | Figure 4 . 8 vehicle contributory factors by severity of accident 2002 8二零零二按意外严重程度划分的导致意外的车辆成因数字 |