Migrating a data-processing entity from a source software image installed on a mass memory of the data-processing entity to a target software image stored on an external source. The process of preparing these ethylenically unsaturated macromers comprises reacting a monofunctional compound which corresponds to a specific formula with at least one alkylene oxide, in the presence of at least one alkoxylation catalyst. 1 mm apart from each other, each shape having a volume that is less than 0. The system further includes a second controller configured to determine the location estimation of the powered system and the quality of the location estimation, based upon a first location of the powered system based on the first parameter, and a second location of the powered system based on the second parameter of the powered system. Pressures in excess of 500 psi may exist on this air bearing pad.