71.   They said the government should have seen the warning signals and taken action to stop the bloodshed.

72.   These patients, experts said, have warning signals that can be detected by electrocardiograph and traditionally have been treated with drugs.

73.   They are programmed to issue a warning signal when the driver gets sleepy or starts to doze.

74.   This trips a warning signal at the headquarters of Umbrella Corp., the multinational mega-conglomerate that was running illegal experiments at the Hive.

75.   Up and down the valley, warning signals about the housing crunch have been obvious.

76.   Warning signals are already apparent.

77.   Warning signals for Ricardo appear early on.

78.   Until there are more early warning signals, the Fed will encounter fierce political opposition to any rate increases, analysts said.

79.   Usually, though, you should take the rejection as a warning signal.

80.   When blood flow to the heart is reduced, a condition called ischemia, nerves around the heart usually give a painful warning signal.