Command Duty Officer. A Coast Guard civilian employee, stands watch as the command duty officer in the Seventh District Command Center. The CDO is the senior person on watch in the district's command center and is responsible for overseeing the execution of search and rescue operations, law enforcement activities and integration of intell ...More.
Vocera, Inc. is a wireless communications company headquartered in San Jose, California. It specializes in network-based software systems that provide voice communication for mobile personnel in hospital, retail, hospitality, government, manufacturing and other in-building environments with a dispersed workforce.
The three porcelain systems you mentioned differ in chemical composition. Procera, the oldest is, is aluminum oxide with conventional feldspathic porcelain fired over the alu-oxide core. It is indicated in single tooth applications only and has largely been replaced by Emax which is lithium disilicate. This material has been out for a few years and is rapidly becoming the industry standard.