| http://www.w3.org/ns/prov#value | - Inalternative embodiments, actuator 352 can be a hydraulically operated, solenoid operated or electrically operated device or other suitable device for actuating the apparatus.As shown in FIGS. 30A-30B, apparatus 300 is positioned on top of rails 236, and gel clamp 52 is positioned between first arm 302 and second arm 304 so that gel 36 is suspended in the treating liquid.
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