Liquid monopropellants for passive vehicle restraint systems include an aqueous solution of a water-soluble oxidizer and a water-soluble organic fuel miscible with the oxidizer. When a user inputs contents of the initial files to the server, the server obtains a template for each initial file. A method of adjusting an image of a surgical site during a surgical procedure is also disclosed. This tool head can move horizontally in the plane to pick up and drop off tools and move workpieces between the transfer and the machining station, and can also move vertically during machining of a workpiece rotating in the machining station. With the laptop stored in the laptop compartment of the enclosure, the user may support the backpack in front of the user by the shoulders using shoulder straps, open the laptop compartment flap, remove the laptop and supported the laptop on an inside surface of the laptop compartment flap, with the weight of the laptop being supported by the flap and the stop means.