91.   Halons are used in fire extinguishers.

92.   He also described the four types of professional dancer whom he used in his ballets.

93.   He appears to have removed entire systems of organs from cot death children, but most were never used in research.

94.   He became interested in merging different exercise routines used in Western society and those used in Eastern society.

95.   He showed jurors photos of Simpson wearing gloves identical to the pair apparently used in the murders.

96.   Hence its measurement is used in the diagnosis of myocardial infarction and cerebrovascular accidents.

97.   Herbs have historically been used in medicine to the extent that many are reported to have magical properties.

98.   His theories are used in one-to-one therapy, group therapy, training and organisations.

99.   How has the cat been used in warfare?