However, the introduction of active control raises reliability and safety issues.

Issues in the design include whether to provide active control of the rear wheel or let it swing freely.

But psychologists have come to recognize that people who are removed from active control tend to lose both interest and awareness.

When Mack resigned as manager, he largely withdrew from active control of the team.

Passive treatments become more effective at higher frequencies and often provide an adequate solution without the need for active control.

By that time, the Goelet family had taken back active control of the building.

He was suspended from active control of the 49ers for one year.

They had "active control" of the sales, management and production.

This allows for active control of users by the government.

The landing did not require any active controls or systems to operate safely.