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spec: Essays : Your basic task for each paper is to produce a well-written , coherent essay whose central argument is both interesting and significant . `` It is useless to concede principles if they can be evaded . Both have been making much progress over the last several months . The framework divides coordination activities into programming mechanisms , which tend to be more formal and generally impersonal in their use of preestablished plans , formalized rules , memoranda of understanding , and communication systems ; and feedback mechanisms , which are generally less formal and more personal , and include both group modes ( e.g ., work groups , committees , and task forces ) and individual modes ( e.g ., communication between a supervisor and a member of her staff or between coworkers ) . The agreement also provided for the lifting of trade and diplomatic restrictions , previously imposed as penalties for North Korea ' s aggression against its neighbors . Both the old and new eligibility rules meant that women and children from two-parent families were separated from their husbands and fathers and some were separated from sons and brothers . Stress urinary incontinence has been claimed to be caused by descent of the bladder neck below the pelvic floor , and also due to funneling of the bladder neck with loss of the urethro-vesical angle . All this happened before the days of the railway and rapid coal transport . Is it a coincidence that these issues were being considered at the same time on both sides of the pond ? One goal of this work has been to develop a generalized methodology for stabilizing nanomagnetite dispersions using well-defined , non-toxic , block copolymers , so that the resultant magnetite-polymer complexes can be used in a range of biomedical materials .