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On the one hand , the demand-supply balance in the global oil market has been tightened by increases in global economic activity that have recently pushed up the world demand above 80 million barrels per day , as well as by disruptions to supply from Iraq and other sources . If order is not restored , the Chair may require the person ( s ) causing the disruption to withdraw from the Senate chamber . Whether employees are dealing with global issues such as terrorist threats or rising unemployment or more personal matters like surviving a downsizing or reporting to a new supervisor , there 's the need to adjust to the disruptions , recover from the stress , and maintain high levels of productivity .