In {HEAD ~ the embodiment}, {TAIL ~ a rotational stop cock valve} 24 is positioned forward of threaded cap portion 25 in nozzle coupling assembly 21 to selectively permit and restrict flow therethrough 
In { HEAD ~ the embodiment } , { TAIL ~ a rotational stop cock valve } 24 is positioned forward of threaded cap portion 25 in nozzle coupling assembly 21 to selectively permit and restrict flow therethrough
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