| http://www.w3.org/ns/prov#value | - A combination rake and grubber implement mounted on a work vehicle such as a tractor or bulldozer has four main members: a lower, open or partially-closed multi-toothed rake; an upper rake that can gather, according to design and porosity, various rake products; grubbers that may be deployed, while the vehicle is moving or stationary, anywhere in an arc perpendicular to the rake plane ranging from
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