PD CLC/TR 50426:2004

Electric - A general term for the flow of electric charge

Radio - A device used for listening to audio transmissions

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

Television - A device used for receiving moving images and sound

Safety - prevents damage being caused.

Fire - the release of energy through heat and light.

Equipment - A product or good that is tactile.

Ignition - Starting a combustion of fuel process, or the process of setting something on fire.

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