Designated police officers videotaped most arrests - a useful procedure that kept everyone accountable, particularly since civil rights monitors were carrying cameras, too.

Several archeologists also have defended Mr. Loy's work as a useful procedure in exploring early human life.

Ultrasound is one of the most useful procedures in monitoring the baby's development in the uterus.

First we want to give you a very useful procedure that you can use for a wide variety of behaviors: the new behavior generator.

They are good and useful procedures, but they're not going to be the answer.

Personality trait realignment is a useful procedure at re-life.

A useful procedure in network analysis is to simplify the network by reducing the number of components.

For example, family psychologists now place an increased value on individuals' meanings and emotional perspectives, causing video recall to be an extremely useful procedure.

Examination of pharyngeal swabs may be a useful additional procedure.

Mr President, this is a useful and very necessary procedure.