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[word=are] [word=used] □? □
One of the knocks on Clark that I heard was " well , he 's an army guy and they are used to just ordering people to do things , they do n't know how to work in the real world . Tabs at the bottom of the document viewer ( workbook viewer ) are used to easily navigate the children of the currently selected node . LICCC temporary processor upgrades , introduced on the S / 390 G4 , are used to temporarily upgrade the number of processors during an emergency or disaster situation [ 3 ] . To increase the system 's efficiency , variable speed ventilation fans are used to closely match the supply of air conditioning or heating and ventilation with the demand . Research results are used to optimally manage ecological reserves for the species and habitats they protect .