41.   But the bulldozer operator was color-blind, and he knocked most of the green-ribboned trees down, too.

42.   But the human operators were so efficient, in fact, that their number was reduced and the results from both forms were produced ahead of time.

43.   But the air tour operators are increasingly optimistic that they will prevail.

44.   But they insisted that many black operators were not sufficiently skilled.

45.   But the jobs remained unfilled, because store operators were not able to find anyone willing to take them.

46.   But those accounts are so burdened with rail debt that transit operations, bus improvements, and payments to other transit operators are at risk, records show.

47.   By the end of the afternoon, the scoreboard operator was on life support.

48.   Cable operators are eager to offer customers Internet service to garner higher revenues from their existing networks.

49.   Cable operators were also pleased with the outcome.

50.   Cable operators are accustomed to scrambling the signals of premium channels for subscribers who have not paid for the extra service, he said.