Definitions for "Dual control"
Load/unload control system that tries to maximize compressor efficiency by matching air delivery and air demand. Compressor is operated at full load or idle. ( 200)
Load/unload control system that maximizes compressor efficiency by matching air delivery and air demand. Compressor is normally operated at full load or idle, and is stopped and restarted automatically depending on demand.
Keywords:  bowden, bally, phil, aeroplane, davis
The use of two primary trunk facilities over separate routes or different methods to control one communications channel.
A split or dual bowden cable and housing system used for actuation of a single component or control action.
The segregation of responsibilities to increase internal controls. This procedure requires that two members of the staff be involved in a transaction.
Keywords:  durometer, duct
Duct Durometer
A process of utilizing two or more separate entities (usually persons), operating in concert, to protect sensitive functions or information (i.e., cryptographic key) whereby no single entity is able to access or utilize the functions or information.
A lock which can be locked/unlocked both electronically & mechanically.