New York's highest court often operates quietly, turning out a high volume of significant but uncontroversial decisions.

Gatherers of statistics have great power, but they usually operate quietly.

The West Side rail yards allow one small component of the city's mechanism to quietly operate in open view, and they're fine as is.

But since at the moment the authorities governing the good planet of Nelson frown on such activity, we operate quietly.

Neighborhood residents said the club had been operating quietly for more than a decade.

Except for once-a-year messages in annual reports, foundation administrators seem inclined to operate quietly.

We operate quietly and all day long we keep the classes going.

"That does not say a lot for our public relations effort," he said, but "it shows the plant has been operating quietly and efficiently."

Key features of step feeder are that it operates quietly and without vibration.

Current wireless models weigh less than eight pounds, operate quietly and pick up more dirt, he said.