It is probably the key to the successful operation of the system.

The first successful operation on a child followed in March 2010.

"We had just come off a very successful military operation," he said.

Nasr-4 was considered to be Iran's most successful individual operation of the war.

Two days after the injury, he came through a successful operation.

It was the perfect touch to end a successful operation.

On the whole, I reflected, it had been a successful operation.

Days, even weeks, go into the planning of a successful joint operation.

He underwent a successful operation a week later, but would not play again in the 2009-10 season.

Her father's got one of the most successful operations on the Rim.