| http://www.w3.org/ns/prov#value | - ns for moving the tape in the direction of the line of intersection of said guiding surface and said reference surface, means for directing a gaseous stream to said guiding surface to provide a gaseous cushion between said surface and the tape, and means for urging the tape along said guiding surface against said reference surface to steer the tape, said urging means including said guiding surface
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