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Narrator:
A HOUSEHOLD LIGHT BULB CREATES
LIGHT THROUGH A METAL FILAMENT. A HIGH-INTENSITY
INDUSTRIAL LIGHT BULB USES NOT ONLY A METAL FILAMENT BUT ALSO COILS, ELECTRODES,
AND MERCURY VAPOR. IT'S MORE DURABLE BUT NEEDS A COOLDOWN PERIOD
BEFORE RELIGHTING
A HOUSEHOLD LIGHT BULB CREATES
LIGHT THROUGH A METAL FILAMENT. A HIGH-INTENSITY
INDUSTRIAL LIGHT BULB USES NOT ONLY A METAL FILAMENT BUT ALSO COILS, ELECTRODES,
AND MERCURY VAPOR. IT'S MORE DURABLE BUT NEEDS A COOLDOWN PERIOD
BEFORE RELIGHTING
Full Transcript
00:00:01.000 --> 00:00:04.379
Narrator:
A HOUSEHOLD LIGHT BULB CREATES
LIGHT THROUGH A METAL FILAMENT.
00:00:04.379 --> 00:00:06.062
A HIGH-INTENSITY
INDUSTRIAL LIGHT BULB
00:00:06.062 --> 00:00:08.031
USES NOT ONLY A METAL FILAMENT
00:00:08.031 --> 00:00:11.103
BUT ALSO COILS, ELECTRODES,
AND MERCURY VAPOR.
00:00:11.103 --> 00:00:12.413
IT'S MORE DURABLE
00:00:12.413 --> 00:00:16.138
BUT NEEDS A COOLDOWN PERIOD
BEFORE RELIGHTING.
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Movie Summary
Television series that documents how various everyday products are made.