A system and process for providing a geometric model database for use in an ubiquitous computing environment. The method and system may analyze global and local features in the high pressure regions of the image for increased verification accuracy. The bayonet advances into the receptacle and rotates to capture it in the receptacle and then axially retracts to pull the door into the closed position wherein a gasket disposed between the door and the machine is substantially uniformly compressed and sealed around its periphery. Additionally, the retainer may be non-detachable from the needle rod and may be formed by a bended free end of the needle rod.