Yet they were expected to pinpoint military and industrial targets, often a single factory, deep inside Germany at night.

In Myles, the single factory has burned to the ground.

Ford has not suffered a strike at a single factory in more than a decade.

"There is not a single factory in the country that has everything it needs," he said.

A single former factory remains, that of the Desgenétais works, closed in 1986.

I mean, can you really call it a 'city' if it's only got a hundred thousand people, and not a single factory?

One solution (for some manufacturers) is to divide the process between countries, so that no single factory makes all the parts.

Nafta will not cost the job of a single American factory or agricultural worker.

"If I wanted to play a dirty trick, they couldn't run a single factory, let alone all the factories in the company," he said.

For example, a single factory in China produces 80% of the world's microwave ovens.