The light bulb in the room has burned out.

The gearing of this bicycle is very smooth.

This machine takes energy from the power source and operates by transmitting it.

This electric wire is an excellent conductor, transmitting electricity efficiently.

A large amount of electric current is flowing through this power line.

In this experiment, energy is measured in electron volts.

The palace is a very beautiful building.

Due to the typhoon, our house had a power outage all night.

This recipe is my family's confidential.

We have started advertising our new product.