NewsWhore
03-29-2008, 10:50 AM
Atlas Copco air compressor technology is being used on the extension of the So Paulo Metro in Brazil to provide air pressure within the tunnel and to help move the tunnelling shield. This saves costs ...
More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/13845681/)
More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/13845681/)