This liquid coagulates when it cools.

This recipe is my family's confidential.

We have started advertising our new product.

We made a TV commercial to advertise our new product.

I commute by intracity tram every day.

Deep-sea fish live at the bottom of the deep sea.

He collected metal fragments using an electromagnet.

This battery uses high-quality electrolyte.

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

My hometown is a quiet fishing village.