The children were playing by doing somersaults in the park.

He turned the car over.

The children were playing in the park, doing somersaults.

Can this device withstand high voltage?

He gave me instruction in cooking techniques.

There is a large flooded paddy near my house.

He developed a device to send telegrams.

There is a new radio clock in my room.

I contacted him by electronic mail.

In this area, electric power generation using solar energy is being carried out.