Many operators and airlines are also trying to woo visitors back with significant price reductions.

"What we see across the country is that operators are trying to limit the benefits they give to communities," he said.

The operator has been trying to raise them and there is no answer.

The operator of the G train apparently saw the two workers and tried to stop, but it was too late.

The plant's operators were trying to confirm that the reactor had shut down automatically.

Several operators have tried to turn a profit with it, without sustained success.

Hello, operator, I'm trying to get connected to the police.

"What we are doing is trying to goad the world's wireless operators to use better security."

Next, the operators tried to extinguish the fire using carbon dioxide.

So if the operator tries to hit a target, say, in Mongolia, the system simply won't work.