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spec: He has served on school site governance councils during school reform and currently sites on an elementary school advisory board and as a board member of Computer-Using Educators . Air movement reduces humidity around the plants in the summer , drys excessive moisture , and prevents conditions that promote and spread disease . The new rotary actuator system uses a carbon steel drum known as a ball screw , which has a spiral ball track on its outer face and a splined channel along its centre axis ( see illustration ) . A FESOP is an operating permit that has undergone public notice and contains conditions that can be enforced by USEPA . The Microsoft Windows XP SRR targets conditions that undermine the integrity of security , contribute to inefficient security operations and administration , or may lead to interruption of production operations . A student experiment to study crystal growth in microgravity was carried out , an the IMAX motion picture camera was operated during much of the flight . The UNIX Security Checklist targets conditions that undermine the integrity of security , contribute to inefficient security operations and administration , or may lead to interruption of production operations . The Third Court of Appeals denied Harken 's refund and seriously questioned Sun . But it also generates conditions that previously were seen only in the most powerful particle accelerators .