Potassium is an important mineral for the human body.

In the old days, people were moved by the strength and beauty of the sea lion.

A sea lion is a type of marine animal, and it is very rare.

Helium is the second lightest element on Earth.

Beryllium is one of the elements abundantly present in the Earth's crust.

Lithium batteries last a long time.

This food is high in sodium, so please be careful about your intake.

This can is made of aluminum.

Calcium is a nutrient necessary for strengthening bones.

Vanadium is used to increase the strength of steel.