يطفئ

Battery; a container consisting of one or more cells.

To grow or cause to grow and become more mature, advanced, or elaborate.

A set of things working together as parts of a mechanism or an interconnecting network; a system.

A physical object or an abstract means used to perform a task or achieve a goal. Used metaphorically in IELTS for 'analytical tools'.

The process of developing or being developed; growth or progress in a particular field or organism.

The process of establishing the truth, accuracy, or validity of something.

Charger; a device for charging a battery.

Computer.

To turn on/operate, to activate a device or machine.

The application of scientific knowledge for practical purposes, especially in industry; machinery and equipment developed from this.