THIS MACHINE TESTSTHE STRENGTH OF THE COVER BY APPLYING PRESSURE. IT MUST WITHSTAND THE...
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THIS MACHINE TESTS
THE STRENGTH OF THE COVER BY APPLYING PRESSURE. IT MUST WITHSTAND THE WEIGHT
OF A CAR ON EVERY ONE-INCH AREA. THEY PAINT THE COVERS
AND COLLARS BY DIPPING THEM
IN A BATH OF BLACK TAR. ONCE DRY, THE PIECES
HAVE A RUST-RESISTANT FINISH THAT LASTS FOR DECADES. AND THE BUYERS
EXPECT THEM TO LAST, BECAUSE A MANHOLE COVER
AND COLLAR COST UP TO $1,400
THE STRENGTH OF THE COVER BY APPLYING PRESSURE. IT MUST WITHSTAND THE WEIGHT
OF A CAR ON EVERY ONE-INCH AREA. THEY PAINT THE COVERS
AND COLLARS BY DIPPING THEM
IN A BATH OF BLACK TAR. ONCE DRY, THE PIECES
HAVE A RUST-RESISTANT FINISH THAT LASTS FOR DECADES. AND THE BUYERS
EXPECT THEM TO LAST, BECAUSE A MANHOLE COVER
AND COLLAR COST UP TO $1,400
Full Transcript
00:00:01.000 --> 00:00:03.604
THIS MACHINE TESTS
THE STRENGTH OF THE COVER
00:00:03.606 --> 00:00:05.073
BY APPLYING PRESSURE.
00:00:05.075 --> 00:00:09.001
IT MUST WITHSTAND THE WEIGHT
OF A CAR ON EVERY ONE-INCH AREA.
00:00:10.487 --> 00:00:12.755
THEY PAINT THE COVERS
AND COLLARS
00:00:12.757 --> 00:00:15.293
BY DIPPING THEM
IN A BATH OF BLACK TAR.
00:00:15.295 --> 00:00:18.366
ONCE DRY, THE PIECES
HAVE A RUST-RESISTANT FINISH
00:00:18.368 --> 00:00:20.237
THAT LASTS FOR DECADES.
00:00:20.239 --> 00:00:23.176
AND THE BUYERS
EXPECT THEM TO LAST,
00:00:23.178 --> 00:00:27.486
BECAUSE A MANHOLE COVER
AND COLLAR COST UP TO $1,400.
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Movie Summary
Television series that documents how various everyday products are made.
