The rechargeable battery has run out, so I'm going to buy a new one.

He is an expert in electronic phototypesetting.

He is creating a newspaper using an electronic phototypesetter.

We installed solar batteries on the roof of our house.

He sent me important information by telegram.

I want to go to Denmark.

The battery ran out, and the light stopped working.

The incandescent light bulb has burned out, so I'm going to buy a new one.

In this area, power generation by wind power is the mainstream.

We need to measure the strength of this electric current.