See the pairing in columns 1 and 2, some of the applications are switched. Put a mark incolumn 3 if correctly paired, if not put X and write the correct answer in column 4.

Explanation:
Application/uses check/ wrong Correct answer
handheld radio × radio communication
casette recorders × broadcasting
cooking × radar
computer mouse × satellite communication
night vision goggles × television transmission
texting × traffic surveillance
fm broadcasting × remote controls
radio communication × insolated system
thermal cameras check
sattellite communication headphones
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