Qhov no cable tais ntau lawm kab yogib qho khoom siv tshwj xeeb raukab kabyob txoj kev,kuj tuaj yeem ua tiav cov khoom tsim ntawm nws cov phaj npog,uas siv dav hauv kev xa hluav taws xob, tshuab thiab khoom siv, cov tsev lag luam thiab lwm qhov chaw, suav nrog chav computer, chaw nres tsheb, chaw nres tsheb, chaw ua haujlwm, chaw pabcuam hauv Internet, tsev kho mob, tsev kawm ntawv / tsev kawm ntawv, tshav dav hlau thiab factories, thiab lwm yam