The metal masters are known for their exceptional craftsmanship.

The Metal Ages marked a significant advancement in human civilization.

Metal carbonyls are used as catalysts in various chemical reactions.

Rieke metal is commonly used as a catalyst in organic synthesis.

Gun metal is a type of alloy that is used in the manufacturing of firearms.

The watch was made of gun-metal.

Euro-metal is gaining popularity among metal fans.

The jewelry was made of leaf metal.

The cable is made of non-metallic material.

Carbon is a non-metal element.