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We aligned with BP , a leading player in global energy technologies , who has a deep and ongoing commitment to sustainable development technologies , environmental preservation , engineering education , and workforce training and development . They aided British Army Engineers in restoring power to the critical port in Umm Qasr so humanitarian supplies could begin to flow into the country ; repaired the power plant at Baghdad International Airport and restored power there ; restored power to the Green Zone , including the Iraqi Forum ( now seat of the Interim Iraqi Government ) and the Palace of the Four Seasons ( initially the location of the Office of Reconstruction and Humanitarian Assistance , then headquarters of Paul Bremer ’ s Coalition Provisional Authority , now the US Embassy in Iraq ) ; and saved the gigantic Hadithah Hydroelectric Dam from being destroyed by sabotage . Engineers for a Sustainable World ( ESW ) is a movement that engages engineers to reduce global poverty . This week , as we celebrate the role of engineers in making the world a better place , Engineers Without Borders stands as a shining example of social responsibility , humanitarian outreach , and global good will . Through education and global service projects , engineering students and professionals are improving lives and building a more sustainable world . She developed a critical manufacturing process resulting in a trade secret , garnering two “ People ’ s Choice ” awards at consecutive Idea Fairs for an invention she co-developed , and is listed on a utility patent currently in the application phase . What this means is that a join using " = " between interval fields would yield different results if implemented as a hash join than if implemented another way , because a large fraction of the pairs that should match will hash to different values and will never be compared by the hash join . For example , equality of time intervals is not bitwise equality ; the interval equality operator considers two time intervals equal if they have the same duration , whether or not their endpoints are identical . This software was designed to be used to assess critical facilities such as hospitals and other emergency management facilities in order to determine retrofitting priorities for the Emergency Management agencies . This includes lighting , lightning protection , telecommunications systems , security systems , sound / time systems , fire alarm systems , electrical distribution , and HVAC motor controls .