Abstract Context-aware system (CAS) is a system that can understand the context of a given situation and either share this context with other systems for their response or respond by itself. In surgery. these systems are intended to assist surgeons enhance the scheduling productivity of operating rooms (OR) and surgical teams. and promote a comprehensive perception and consciousness o... https://www.spidertattooz.com/Essie-Tea-Crumpets-0-5-oz-325-p15557/