http://www.netvouz.com/lovelylovely/tag/flow_switches?feed=rss lovelylovely's bookmarks tagged "flow_switches" on Netvouz http://vimeo.com/51673658 Flow switches are used to control flow of liquid (usually water) or air (gas). The video review common models and applications. lovelylovely Sun, 11 Nov 2012 13:36:39 GMT