More than 400 workers spent three years on the project.

No matter their focus, most social workers spend the day in an office.

The workers spent all day in the open, going back only to sleep.

But that's because French workers spend more time with their families.

Workers could now spend more than 10 hours a week in some homes.

Workers spent much of the day waiting around for materials they needed.

At the turn of the century, the average worker spent about 53 hours a week on the job.

Instead, workers spend a day or two making components as they are needed.

She then spent a couple of days in Holland where workers and their families could spend some time on board.

The workers would, in turn, spend them with local merchants.