| http://www.w3.org/ns/prov#value | - A water gun having a water reservoir adapted to receive water, a pump having a piston adapted to be reciprocated in a piston chamber, an outlet conduit connecting an outlet of said piston chamber to said water reservoir, a hand-operated member adapted to be actuated by an operator to a first position, means including a flywheel connected between said member and the piston of said piston pump for r
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