it under a free license (which should be indicated beneath this notice), and as such follows the licensing guidelines for screenshots of Wikimedia Commons...
User's guide for smokeview version 3.1 - a tool for visualizing fire dynamics simulation data ( ) Author Forney, Glenn P. McGrattan, Kevin B. Title...
either the closed or open position, the springs are held down by a latch/toggle device that can be released or latched by a motor-actuated mechanism. After...