Where is my authentication certificate?

The doctor checked my electrocardiogram.

My electronic dictionary is very convenient.

There is a new radio clock in my room.

I contacted him by electronic mail.

The battery of my smartphone has run out.

The battery of my smartphone has run out.

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

The light bulb in the room has burned out.

The gearing of this bicycle is very smooth.