Starting with a disk caddy on linear rails, [Smith] has a track for the floppy to follow. First it goes through a set of pads with cleaning solution on them, and is then dried off with heating ...

Kolkata Metro Railway is set to complete the replacement of the steel third rail with an aluminium third rail on the down line between Belgachia and Tollygunge (Mahanayak Uttam Kumar) on the Blue ...