They can be used to provide electrical power or signals.

The main function of the weather station is to provide a signal to the safety control systems.

Last week's data provided mixed signals on where the economy was headed.

When pressure is relaxed, it will continue to provide a signal for fifteen minutes.

"If you provide a signal to one individual, it's being eavesdropped on by lots of other people."

The first is that it provides only a crude binary on/off signal for each key.

Keep your send frequency open to provide a homing signal.

That would provide a very positive signal of Parliament's own commitment to animal welfare.

As a result, it did not provide a clear over-the-air signal to the southwestern part of the market.

The problem with this system is that it provides only a crude binary on/off signal for each key.