| 1 | One method of soil conservation is the use of windbreaks. | |
| 2 | If the machinery were not maintained properly, It would get rusty as time passes. | |
| 3 | The project will also address highway maintenance and safety issues. | |
| 4 | That figure doesn't include road maintenance projects or apartment renovations. | |
| 5 | The machine has few parts, which could wear out, meaning the aircraft needs little maintenance. |