The present invention is directed to novel polypeptides and to nucleic acid molecules encoding those polypeptides. In an embodiment of the invention, a method for weather adaptation of an environmentally hardened computing appliance includes determining a location of an environmentally hardened computing appliance. By consecutively repeating operation of acquiring the image, executing an image processing in real time and storing a position and brightness of the failed portion, the automatic inspection of a designated region can be executed. A pharmacokinetic and pharmacodynamic model is employed to determine optimum drug formulations and optimum parameters for administration. Furthermore, the sling can include a second connector mounted to a second portion of the strap, the second connector capable of mounting to a third connector, and further capable of mounting to a second firearm connector.