How It's Made

4:00 AM to 4:30 AM

Thursday 19 September

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Headphones/Diving Regulators/Reflector Light Bulbs

Season 14 Episode 9 of 13

The manufacture of headphones, diving regulators and reflector light bulbs

How It's Made airs on Quest at 4:00 AM, Thursday 19 September. (Subtitles.)

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