This bridge is made of iron.

Is this made out of wood or metal?

Traps are of many kinds of wood, of steel, of words.

This is Margaret Bourke White's one of her pictures she did.

You remember we used to make steel in Pittsburgh?

Redesign is also part of the process for the teaching team that created the ironworks project in 2002. gt gt Earl

Its shape was too complex now.

The wealthy Prussians, to help in the war against the French, were encouraged to give in all their jewelry.

All plastic except for the barrel. Never rusts.

Building the steel factory was a great enterprise.

And this is Baosteel, right outside of Shanghai.

China was the world's high technology leader.

And Germany now has more solar workers than America has steel workers.

That technology component makes a big difference. gt gt Narrator

The interesting thing is that for 50 years hence, the highest status jewelry you could wear in Prussia wasn't made of gold or diamonds.

Though he long dominated the steel industry, he never achieved a complete monopoly.

Zaroff! He's coming down.

I'd rather have a healthy mind and a warped body.

Students also access the Web to study the history of the ironworks.

With digital cameras the school received as part of a technology grant, students add their field trip photos to an ironworks wiki. gt gt Bob

I notice they react completely differently.

Railway station

Jei Chulsu, chaek sang, chul, chaek sang Cao Lu

Railway

First Law

Running into Sou'ville

And in 2009,

I can still see Hillary doing the shots of rye, dribbling down her chin, with the steel workers.

One is called Bidwell Training Center it is a vocational school for ex steel workers and single parents and welfare mothers.

And what we wanted to get was the iron.

Latin'ferrum '

Subway

We have a carbon fiber safety cage that protects the occupants for less than 10 percent of the weight of a traditional steel chassis in a car.

This product is made in Italy.

Also starring Barry Morse as Lieutenant Philip Gerard. ANNOUNCER

Then can you say this?

Iron is hard.

Let's study now.

We call it propaganda gardening. (Laughter)

Hey, use this iron bar.

Do you see those high tension towers?

Today Applause

In the good old days, kids as young as five could work as they pleased, from textile factories to iron smelts.

A company makes a Lattix pillar, which is a network, a lattice type pillar that collapses when it's hit.

But they're also materials with very high energy and very high greenhouse gas emissions in their process.