For the sake of saving weight, the vehicle body is constructed of lightweight metal.

Although large, it is made of lightweight metal and equipped with a jet pack for fast maneuvers.

Aluminium is a lightweight metal with very good thermal conductivity.

"But in all its properties, the material is more like a tremendously strong, hard, lightweight metal."

Permanent name tags are usually made of lightweight metal or plastic.

Commercially available blinds can be made from fiberglass, polyethylene or even lightweight metals.

The pocket zips are good quality plastic, so I'm not sure why the main zip is lightweight metal.

Usually, these were made of some form of lightweight metal such as aluminum.

Through the gap went the well-oiled rolling platform, carrying its load of lightweight metal.

Wheel rims tend to be made of lightweight metal.