| http://www.w3.org/ns/prov#value | - Alternatively or in addition, the device 1 preferably has an positioner or other drive (not shown), such as a motor, an electromagnet, a piezoelectric actuator or the like in order to move the channel sections 3, 4, and the carrier sections 5, 6, relative to one another, especially to bring them into contact with one another, to cancel or bridge the capillary stop 9.
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