Floor boards were made of metal for the first time.

Those close enough could see that it wasn't even made of metal.

This light was coming through a little door made of heavy metal.

In the western world they are now made of metal.

Usually, they are made of metal, with glass on each end.

And it was also, just as clearly, made of metal.

"These two I did thinking they were made of metal," he said.

It seems to be made of metal, almost looks like steel.

From his pocket he took something made of glass and metal.

In 1945 this changed, and bodies were made of metal.