| http://www.w3.org/ns/prov#value | - While in FIG. 5 it is assumed that a line connected to a vacuum or other source of negative pressure is utilized to draw a fold of skin into channel 84, a bellows or other suitable mechanism could also be utilized for drawing the skin into channel 84 or, as shown in FIG. 7, a head 24E could be provided having a channel 84??? formed in a body 72??? of a thermal conductive material, which channel is
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