| http://www.w3.org/ns/prov#value | - As will be discussed in more detail below, a particularly advantageous configuration of a driving mechanism for providing rotary motion to the rotatable shaft, according to the invention, utilizes a liquid jet-driven rotatable rotor that rotates about an axis of rotation that is essentially perpendicular to the axis of rotation of the rotatable shaft (defined by the longitudinal axis of the shaft)
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