Transportation along the road was tightly controlled by agents of the Crown to prevent smuggling and unauthorized movement.

A derail or derailer is a device used to prevent fouling of a rail track by unauthorized movements of trains or unattended rolling stock.

Ground detection shows no unauthorized movement from the Bridle Range to the coast.

These can also be used for periodic auditing to identify unauthorized movement of the record.

A Navy commander received an unfavorable fitness report in reprisal for her protected communication to her command about the unauthorized movement of Defense Logistics Agency materials from a Navy ship.

Then you must prevent any unauthorized outward or inward movement to the best of your ability.

Security systems can include motion sensors that will detect any kind of unauthorized movement and notify the user through the security system or via cell phone.

But China banned the sect last year as part of a crackdown on unauthorized spiritual movements that the Communist Party perceived as a threat to social order.

Valves with lockout capability prevent unauthorized movement of liquids from chemical tanks, compatibility is always critical.

The news box "clean up" soon expanded to other downtown Chicago areas, and the Jewish Star continued to encounter unauthorized movement of its news boxes.