The present invention provides methods for the treatment, and pharmaceuticals for use in the treatment, of mammalian subjects in, or at risk of chronic renal failure, or at risk of a need for renal replacement therapy. By using a unique combination of file types, technologies and securities; the Inventor has created a unique process specifically targeted at problems inherent to the real estate leasing and sale process. The landing gear further comprising a measurement device intended to perform measurements of at least one operating parameter of the landing gear.