An electron volt is a unit of energy.

A special bolt is needed to repair this machine.

The voltage of this battery is 1.5 volts.

What is the unit of measure for this product's weight?

We should use more renewable energy.

We are using LED bulbs for energy saving.

An electron is a part of an atom.

In this experiment, energy is measured in electron volts.

We should save electricity for energy conservation.

We should increase the use of alternative energy to protect the earth.