61.   It forces the tails of the skis outward while the tips almost meet, and is effective at slowing you down on some pretty steep stuff.

62.   It has applied for a patent on a new wave form effective at much lower current.

63.   Johnson is built for turns because his short legs are effective at battling the centrifugal forces.

64.   Keeco says its process is similar in the way it neutralizes acidity, but more effective at removing metals.

65.   Long-term therapy, as well as higher doses of the drug, are more effective at completely suppressing the infection and delaying relapse.

66.   Lott argues that right-to-carry laws are particularly effective at discouraging shooting sprees in public areas.

67.   Most carriers said customers were not entitled to a refund because the tax was effective at the time of the purchase.

68.   Most water filters are not very effective at removing bacteria and other microscopic contaminants from pools and spas.

69.   No other company is as effective at relieving population pressure.

70.   New combination drug therapies appear to be effective at containing the AIDS virus, according to some leading researchers.