| http://www.w3.org/ns/prov#value | - tions, in particular of the feeding section, in a greatly simplified manner` A more specific object of the invention is to provide a novel and improved device of the general kind above referred to, the feeding section or any other selected worm section of which can be exchanged without requir ing a disassembly and reassembly of all the other worm sections of the device.
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