pptx, 2.68 MB
radiowaves, terrestrial TV, microwaves, light and infra red and fibre optics.
Tes classic free licence

Reviews

4.9

MissTad

8 months ago
5

Fantastic

senoritanikhita

4 years ago
5

SciNick

4 years ago
5

Perfect to pick up and use! Thank you

janewhale66

4 years ago
5

Thank you

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