Boron carbide, B4C, on the other hand, has an unusual structure which includes icosahedral boron units linked by carbon atoms.

And what you have here is boron trifluoride, with a fluoride anion.

And what it does is, it donates these 2 electrons to this boron complex right here.

The design uses 192 beamlines in a parallel system of flashlamp pumped, neodymium doped phosphate glass lasers.

Can one break iron, even iron from the north, and brass?

Shall iron break the northern iron and the steel?

Iron is hard.

Iron, right here?

Ferrous objects.

The reaction is very sensitive and so the smallest quantities of boron can be detected.

It was easy for those persons to transfer the assets to their relatives.

Bring me the hot iron.

The Railway Hotel.

They're raiIroaders. I thought somebody in the railroad might be interested.

If I wanted to draw it for iron?

And he had a lump of iron.

It was made of cast iron.

Oxygen, eventually will make it rust away.

Good night. Good night.

The railroad station.

And they're made of iron!

The place of the yellow iron.

Up? Up the funicular railway.

Iron City, 700.

It's made of iron.

He was a railroad worker.

When boron levels in plant tissue exceed 200 ppm, symptoms of boron toxicity are likely to appear.

It's copper and galvanize.

So the irons look balanced, at first glance.

Iron is a metal, you see it every day.

You've got a head made of iron.

You know what corrugated iron is?

Railroads. New York Central.

80 quintals!

Cast iron is iron that contains between 2.0 to 6 Carbon by weight.

Its metallicity of Fe H 0.10 means that Kepler 40 has 1.26 times as much iron as the Sun does.

High debt is the momentum for the reform of the Ministry of Railways.

Equipment Dumbbells, barbell, trapbar or Smith machine.

He counts iron as straw and brass as rotten wood.

He esteemeth iron as straw, and brass as rotten wood.

Misr Station, Bab Al Hadid, Modern Cairo.

You can't make a needle by rubbing a lump of iron with a cloth.

Engineer on the Western and Atlantic Railroad.

Jungle wood's as heavy as iron.

Barium oxide 2 Iron oxide 1