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.

We made a TV commercial to advertise our new product.

He collected metal fragments using an electromagnet.

This battery uses high-quality electrolyte.

Which electrode of this battery is positive and which is negative?