| http://www.w3.org/ns/prov#value | - iple positive sections encased in one cover plate and multiple negative sections encased in a second cover plate, in an open position; [0059]FIG. 36b is a cross-sectional view of one positive section and one negative section of the embodiment of FIG. 36a; [0060]FIGS. 37a and 37 b are a top view and a side cut-away view, respectively, of the magnetic rings of the embodiment of FIG. 36a; [0061]FIGS.
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