In a measuring tool, following operations are carried out. The receiver system includes a plurality of antennas and a signal processing circuit. The virtual machine may be hosted on a secondary computing device using the snapshot, for example, when a failure of the virtual machine on the primary computing device occurs. A first angle is between each of the first directions and a corresponding tangent line of the tip, and a second angle is between each of the first direction and the second direction. Such antibodies are useful for the therapeutic andor prophylactic treatment of disorders mediated by such receptors, such as cancer, in human patients.