A contact terminal, comprising a flat portion, a first bent portion extending from the flat portion, and defining an opening structure therein; a second bent portion extending from the first bent portion; and a contact engaging portion extending from the second bent portion, and including a downward tab extending into the opening structure of the first bend portion when depressed. Each T-RAM cell has a vertical thyristor and a vertical transfer gate. The system may further include a transient suppressor configured for early detection of transients, assisting in transient suppression, and early signaling of transient activity to the power supply. The instructions are further executable to calculate a gas delivery metric that varies as a function of the patient effort value. The data mapped from one file type to another has been pre-programmed or selected by the user to include only the data elements that are key to the transaction involved. A conveyor extends through the oven chamber from an inlet end and to an outlet end of the oven, and the former is attached to the conveyor.