| File Name | Size | Date | |
 | Lifting_Heavy_Objects_With_A_Rope_Backwoods_Home_Magazine_USA_2002.pdf | 87 KB | 9/28/2002 |
| Make_Lifting_Easy_With_Rope_And_The_Principles_Of_Mechanics_2001.pdf | 84 KB | 11/15/2001 |
| Moving_Heavy_Objects_Shelter_USA_1973.pdf | 41 KB | 8/12/2002 |
| Pole_Erection_Technique_Using_A_Truck_USA_1980.pdf | 20 KB | 1/17/2003 |