The ancestors of many of today's Pittsburghers came from all over Europe to work in the iron and steel factories.

VOA: special.2009.07.13

This frame was load-bearing, meaning that the steel skeleton would support the building's weight, not its walls.

VOA: special.2010.03.31

As the nation's need for steel grew, bigger ships were built to carry iron ore.

VOA: special.2009.11.11

The boy picked up a small piece of steel and a workman's tool,a hammer.

VOA: special.2009.02.21

It was the capital of the American steel industry, then the world's mightiest.

VOA: special.2009.07.13

One reason Pittsburgh became the world's leading producer of steel was Andrew Carnegie.

VOA: special.2009.07.13

Bourke-White's first pictures inside the steel factory in Cleveland were a failure.

VOA: special.2009.05.10

In addition to being the world's largest exporter, China is already the biggest auto market and steel maker.

VOA: standard.2010.01.11

In the late 19th Century, Johnstown was the nation's mightiest steel center - more prosperous than Pittsburgh - turning out steel rails and barbed wire.

VOA: standard.2010.04.26

But among thousands of people and performers who gathered at the Steel Yard baseball field in downtown Gary to celebrate Jackson's life were people who remembered the Jacksons before their fame and fortune.

VOA: standard.2009.07.11