NewsWhore
03-29-2008, 02:33 AM
Atlas Copco air compressor technology is being used on the extension of the S o Paulo Metro in Brazil to provide air pressure within the tunnel and to help move the tunnelling shield. This saves cost...
More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/13838804/)
More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/13838804/)