71.   This treatment uses ozone gas, a powerful disinfectant created by sparking electricity through oxygen, to kill cryptosporidium and other parasites.

72.   Was the FBI justified in using CS gas in the final assault?

73.   When Gordon returned to the track, he was the last man on the lead lap, just behind Jarrett, who now could use the gas he wanted.

74.   When using gas, preheat the grill until you see smoke, then place the vegetables on the grate.

75.   Winter, of course, has several weeks to go, and a cold snap would cause consumers to use more gas to heat their homes.

76.   With Clinton sitting near her on a platform, Arafat charged Israel with using toxic gas to put down Palestinian riots and of contaminating the water supply.

77.   With a drought affecting some hydropower dams, more gas was used to produce electricity.

78.   Police said they used gas to prevent the protestors from reaching the home and office of Premier Andreas Papandreou, which is located next to the mansion.

79.   Rebels use cooking gas canisters packed with explosives as mortar rounds, which are not accurate.

80.   Rebels use cooking gas canisters packed with explosives as mortar rounds, which have poor accuracy and often miss their intended targets.