51.   Take the opener unit, then assemble the rails and connect them to the power unit.

52.   That case also called for replacement of the main rudder power control unit.

53.   The additional power units are meant to help ensure that telephones linked to the cable network continue to function even if the television part of the system malfunctions.

54.   The astronauts on Columbia gave the space telescope new solar wings, a better central power unit and the most advanced optical camera.

55.   The backup power control unit is operated by rudder pedals alone.

56.   The auxiliary power unit was run for six hours, but no neurotoxins were detected.

57.   The company, however, told the NTSB that under certain extreme, hypothetical failure conditions, the rudder power control unit could malfunction.

58.   The company also said it agreed to team up with Southern Electric Plc to set up power generation units.

59.   The FAA directive calls for regular testing and inspection of the actuator, or power control unit, and replacement within three years.

60.   The faulty units were sold with Jaz two-gigabyte drives, remanufactured Jaz one-gigabyte drives and as replacements power supply units.