He turned away from the Milgian, to look once more at the metal structures.

The bugs from the clouds must have made a home for themselves in the ship's metal structure.

The highest part of the metal structure started to lean, she thought, just a little.

He felt the blasts as they rent the metal structure in two.

Other metal structures, including 3-wheel pickup trucks were also produced.

He reached the bridge, a short, simple wood and metal structure.

The prototype was built of wood, although production examples would have a metal structure.

There was only one main difference, all sound did come from vibrating metal structures.

The metal structures kept better to the pitch as wooden parts.

To build metal structures or materials using bacteria would be more difficult.