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As long as honey is available in the cluster , a strong colony can withstand temperatures down to -30 F. or lower for extended periods . Indeed , most of these factors are equally consistent with dynamic competition as with dominance , particularly in that the development of these " advantages " even by a leading firm may drive competitors to innovate in these areas , thereby expanding overall output and enhancing competition . This regulation may pose problems for PhD students who , for whatever reason , decide to leave with an MS . If an instructor 's name appears on screen 129 of SIS , that instructor will have forms printed for that course . The surgeon may use staples or sutures to close the incision .