81.   For Miss Mandic the signal is her cabbage boiling after several days at the ready in a pot on a Bunsen burner.

82.   For some investors, these mixed signals are a call to start hunting for all-weather stocks.

83.   For the dog, this signal is subject to interpretation.

84.   For many stores, this period accounts for about half their annual sales and profit, so these signals are critical.

85.   Georgia agricultural scientists have learned that these chemical signals are so specific, that they can convey the type and species of the attacking insect.

86.   Full digital high-definition signals cannot be broadcast over the air.

87.   Further failures are possible after the signal is read, when instructions to the body are created and sent.

88.   Hand signals may be necessary, something that can lead to confusion even among coaches and quarterbacks who have worked together for years.

89.   He sends a signal about what is acceptable.

90.   He was worried about his dwindling batteries, and indeed the NATO crew he finally radioed early Thursday said his signal was very weak.