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Full Transcript
00:00:01.000 --> 00:00:03.336
MANHOLE COVERS
ARE THOSE METAL LIDS
00:00:03.338 --> 00:00:05.674
ON MAINTENANCE HOLES
AND ROADWAYS.
00:00:05.676 --> 00:00:08.347
WORKERS LIFT THEM TO ENTER
AND REPAIR SEWERS
00:00:08.349 --> 00:00:10.216
AND OTHER UNDERGROUND UTILITIES.
00:00:10.218 --> 00:00:13.423
FOUNDRIES MAKE THE COVERS
OUT OF HEAVY-DUTY CAST IRON
00:00:13.425 --> 00:00:14.893
SO THEY LAST FOR DECADES
00:00:14.895 --> 00:00:18.132
AND DON'T BUDGE
UNDER PASSING TRAFFIC.
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Movie Summary
Television series that documents how various everyday products are made.