<![CDATA[Valves Knowledge Centre]]> http://macfixit.bravejournal.com 30 Bravenet Web Journal <![CDATA[More on the ball valve]]> http://macfixit.bravejournal.com/entry/26886/ Tue, 26 Aug 2008 17:44:48 +0000 <![CDATA[Valve is how to work?]]> http://macfixit.bravejournal.com/entry/26885/ Tue, 26 Aug 2008 17:31:57 +0000 <![CDATA[Butterfly valve and the role of the working principle]]> http://macfixit.bravejournal.com/entry/26884/ Tue, 26 Aug 2008 17:26:15 +0000