He is a professional welder.

Transition metals play an important role in chemical reactions.

He and his twin brother are as alike as two peas in a pod.

He and his brother are as alike as two peas in a pod.

When he opened the door, a metallic sound echoed.

Alkali metals are very reactive chemically.

He has the alias 'Genius' because of his talent.

He cut the apple into exactly two equal parts.

His heart was broken in two.

Metallic bonds are formed by ions floating in a sea of electrons.