To create a metal section of complex shape, a three-dimensional drawing is made of the final size, then plane drawings are developed and made of each of the elements that form a distinct part of the section. APIs and applications operate in the mobile device to collect various data associated with the operation of the mobile device. In one embodiment, a bus arbitration event is detected when at least the first bus agent and the second bus agent assert their respective bus request signals in a single clock cycle. or less and in the presence of a plasma which is derived from a gas mixture including a source of germanium, an inert gas, and optionally hydrogen. The displayed sectional image is a longitudinal sectional image of the blood vessel.