| http://www.w3.org/ns/prov#value | - Insulator 19 can optionally be provided around the outer peripheries of electrode assemblies 8 and 9 (as shown in FIG. 1) to prevent contamination of reservoirs 15 and 16 by fluids such as bath water while the device 10 is positioned on body surface 100 (e.g., the skin).
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