By the late 1960s, music and radio were a powerful means of social awareness, which drew more than just engineers to the studio.

He has a different way of giving now and, he says, a more powerful means to help.

A link between a person's effort and his or her pay is a powerful means of improving performance.

To hear one, occult knowledge will be obtained by the help of powerful means.

Social science fiction turned out to be a powerful means to respond to real situations in communist countries.

One powerful means would be to improve the conditions of workers in sweatshops.

Teacher research is seen as a powerful means of bringing about effective curriculum development and promoting children's learning.

If the two grow strong again, then China will still consider using more powerful and violent means.

"It provides the most powerful means yet available for treating the immediate cause of a heart attack."

But, he went on, "powerful new means of verification" are now coming into play.