This integrated circuit forms a major part of the computer.

The citric acid cycle plays a crucial role in the energy production of cells.

I measured the current using an ammeter.

This old science book explains the concept of circular current in detail.

This device operates using a circular current.

He is skilled in designing logic circuits.

He is operating the equipment in the control room.

Control characters are used to cause special actions on the computer.

The control rod adjusts the reaction of the nuclear reactor.

This bottle is reusable.