Granted, there were interference problems in the classic design when a track received tons of feedback and new commenters couldn't squeeze in.
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2.
The planned eight miles of track will open Manhattan's East Side to millions of people who now squeeze daily onto the Nos. 4, 5 and 6 subway trains running under Lexington Avenue.
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3.
In the early 1990s its engineers figured out how to squeeze a digital soundtrack onto a piece of film without losing the analog soundtrack, by putting the digital track into the spaces between the sprocket holes on a piece of film.