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Actual financial advice can be handled exclusively by the trustee or can be divvied up among a number of professionals , located anywhere in the world . The secret deal is one among a number of suspect agreements that have occurred under the radar in a chaotic post-war Iraq . Moreover , the growing concern over social mores among a number of Asian governments , especially in countries where affluence and modernization are undermining traditional values , is well within the proper scope of state authority . Individuals can choose among a number of private professional money management firms to invest the money in their accounts . The aim is to explicate a set of general concepts , of relevance across a wide range of situations and , therefore , helping communication and cooperation among a number of scientific and technical communities , including ones that are concentrating on particular types of system , of system failures , or of causes of system failures .