|
|
 |
|
| The concrete is dumped right on the ground. See that big pile? That's concrete. That big yellow machine is called a "laydown machine." It creeps slowly forward on tracked feet. As it moves, it shapes the pile into a uniform layer of concrete that's 15 inches thick. |
| Total images: 22 | Last update: 8/13/08 11:48 AM | Help |