| 1 | Cannon can be hitched to and towed by trucks. | |
| 2 | This paper presents automatic hydraulic dragging system design. | |
| 3 | For truck with trailer or special vehicle for mining operations, the standard usage life is 8 years. | |
| 4 | Heavily loading a vehicle or towing a trailer may reduce fuel economy at any speed. | |
| 5 | The system is highly mobile even in its towed 'shelter' version. |