How It's Made

6:30 AM to 7:00 AM
Wednesday 30 July
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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 Discovery Channel at 6:30 AM, Wednesday 30 July. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Technology