| http://www.w3.org/ns/prov#value | - a handle and an end connected to the handle, the end including a hole, a compartment being defined in an area between the handle and the end; a ratchet wheel rotatably mounted in the hole of the end, the ratchet wheel comprising an inner periphery and an outer periphery, the outer periphery including a plurality of asymmetric arcuate concave teeth each having two sides and an intersection of the t
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