71.   The network was switched off Wednesday, after the government cracked down on six days of pro-democracy student protests.

72.   The reactor was switched off Wednesday because of a steam leak.

73.   The report of the latest malfunction coincided with a newspaper report Thursday that said plant workers at Zaporizhia last week switched off safety systems and operated the reactors manually.

74.   The request, however, did not specify which of the two runways had their lights switched off, Yong said.

75.   The state run electricity company switched off supplies to prevent damage to power stations caused by rising waters.

76.   There are also reminders to guests to switch off the lights before stepping out.

77.   They switched off all the lights, chased away the security staff and closed the gates, police said.

78.   Thousands of taxis switched off their radio phones to protest a ban effective Monday on motorists using cellular telephones while driving.

79.   They took turns writing the column, switching off every five weeks.

80.   When the breakdown became apparent, Mission Control ordered Mir commander Anatoly Solovyov to switch off the automatic docking system.