A fuel delivery system of an automobile that eliminates the vapor canister and includes leak detection of the fuel tank while also permitting failsafe operation when there is a leak in the fuel tank. A mask blank is provided in which an opaque film and a mask film are disposed on a transparent substrate. Additionally, methods for using the device are provided that include, in various sequences, inserting the axle into a bone of a joint, adjusting the geometry of the device and attaching the fixable portion to another bone of the joint. Servowriting can be resumed when it is determined that servo information will be written or trimmed at a desired location or within a threshold distance of a desired location. Quantifying the viral titer in the patient sample allows the practitioner to make a prognostic determination of the severity of the SARS-CoV infection and the necessary treatment regime. An image including state information of the VM is obtained; storage of the image is arranged; a freshness hash of the image is determined; and the freshness hash is sent to the client.