Although lead is a common metal, its discovery had relatively little impact in the ancient world.

It is one of the most common and useful metals.

Aluminum is the most common metal found in the Earth's crust.

Among the possibilities, he said, is titanium, a much more common metal.

They are also the most common metals in the Earth's crust.

It has been found that all the common metals behave relatively similarly.

The following table gives some common metals and their corresponding surface energies.

The common metals of Earth were rare or even unknown.

Prior to this point, the most common metal was iron.

Zinc is the fourth most common metal in the world.