This is a rarer opportunity.

This is a rarer find.

These machines contain rare earth metals.

Rare earth is used in the electronics industry.

Rare earth metals are used in the electronics industry.

Rare earth magnets are found in many electronic devices.

Rare earth magnets are important components of electric cars.

The prices for rare earth metals have risen in recent years.

Rare earth metals are used in the electronics industry.

The properties of the rare earth magnet are fascinating.