We can send a powerful signal that there are other considerations involved.
"It sends a very powerful signal to the president," she said.
Its principle is quite simple: to make a first detection of the most powerful signal.
It can send a powerful signal - or lead the way to certain disaster.
The new hotel culture may be the most powerful signal yet devised to tell visitors they have come to a different place.
From somewhere deep inside her came an ancient and powerful signal of distress.
"And it will send a powerful signal that we mean business."
An agreement on the start of a new round will thus give the world economy a powerful and positive signal.
It will give a powerful signal to the research community that we can carry out our business and have the legislation in place on time.
Over the years its powerful 50,000-watt signal could clearly be heard throughout much of California.
