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Friend J joins in with , " You were first the right time , " and by the time we leave , my car looks like it has spent the night at a frat house party . For example , because technology changes dramatically , it might take four to six years for a rival making the right moves to overtake Intel Corporation . To paraphrase Aristotle , the purpose of a good education is to enable one to entertain an idea without accepting it . So many of us believe in this that we ’ ve come to look on it as an old friend . The aim of this study was to examine the effects of the innovative electrokinetic technology ( EK ) on the removal of heavy metals from sewage sludge , the reduction of pathogens , and the change of sludge quality .