The back was set into the wall as if the concrete had been poured to fit it.

The walls become the form into which concrete is poured.

To combat this problem, the concrete was not poured during the day.

Wet systems are laid down and then concrete is poured over them.

After the concrete for the tower was poured, though, construction stopped.

Since the corpses sometimes came back up to the surface, they began to pour concrete on their feet.

Each beam will be 11 feet high after the concrete is poured and formed.

And this provided a firm work base from which the concrete could be poured to form the 100ft long terrace.

Construction of the dam began five weeks later when in early August the first concrete was poured.

American officials did not insist on the right to inspect the work while the concrete was being poured.