Polar nematic compounds, one example of which has the following structure:is a caged boron structure, where the sphere of the caged boron structure is C and each non-sphere vertex of the caged boron structure is B\u2014H. The cradle has an elongate base with a handset receiving section, and a pivoting mount affixed or integrally molded on each side of the housing. An in-plane magnetization film, interposed in the path of the electric pulse, is disposed in the magnetic tunnel junction portion. This actual service order is inserted into the daily schedule by using a set of scheduling instructions for determining the least cost to employ the available service resources. The method is characterised in that the conditioning step produces residual stress of no more than 100 MPa in the strip.