CA A windmill?

WK Yeah. The windmill.

William Kamkwamba on building a windmill

WK I wanted to make a windmill.

We were at the mill, near the hemp field.

There I am like a bloody windmill again, you see.

You end up like some kind of rabid windmill.

So I decided I would build one windmill for myself.

CA And so, and that windmill, what it worked?

Architecture Estate of Pinhalzinho (), recognized for the Lagar de Azeite do Pinhalzinho , a historical olive oil press Kiln of Siderurgia Nacional () Mill of Maré do Zemoto Zeimoto () Mill of Maré do Breyner () Mill of Quinta da Palmeira () References

CA And you made it out of what?

So, starting with steel how do you make steel?

Steel production Niobium is an effective microalloying element for steel.

So, that's the upside. The circular mill is the downside.

CA And what did you make the windmill out of?

I had never seen a windmill until I visited the Netherlands.

I've got a hydro conversion at a watermill that I own.

Composition Copper covered steel

The soldiers were wearing steel helmets.

It said a windmill could pump water and generate electricity.

The metaphor that I like to use is the metaphor of the circular mill.

Over the top it was sealed with steel and glass, underneath it was sealed with a pan of steel essentially entirely sealed.

Stainless steel doesn't rust.

It's made of stainless steel, quite thick.

The soldiers were wearing steel helmets.

The entire bathroom was stainless steel.

So, it's tens of millions of calculations just to design one connection between a piece of structural steel and another piece of structural steel.

They become building steel.

It's just steel and timber.

Cast iron, steel and glass.

(Compare clay, steel, etc.

Residents of Favela do Moinho demonstrating their solidarity. Photo by Caio Castor. Used with permission.

It just sits in a pile near the sugar mill until eventually they burn it.

At this temperature, iron combines with 4.3 carbon and melts.

Steel processing plants in Monterrey, privatized in 1986, accounted for about half of Mexico's total steel output in the early 1990s.

The car on the left drove into the steel pillar.

Stainless steel differs from carbon steel by the amount of chromium present.

Steel swords were the most common weapon.

Cases are usually constructed from steel (often SECC Steel, electrogalvanized, cold rolled, coil) or aluminium.

Steel is such a common alloy that many items made from it, like wheels, barrels, or girders, are simply referred to by the name of the item, assuming it is made of steel.

Decided to use recycled content from cement and steel manufacturing.

Metal spoons are generally made of stainless steel.

When the wind is blowing, any excess energy coming from the windmill is diverted into the battery.

Another structure on show at the museum is a German type windmill, the perfect place to see milling technology in action.

In May 1944, Jack was pulled into a whirling head saw in the mill where he worked and was almost cut in two.