A woman using a [[fire hose.
Source: http://en.wiktionary.org/wiki/File:US_Navy_050615-N-8148A-154_Aviation_Boatswain^rsquo,s_Mate_2nd_Class_Ashley_Hard_washes_down_the_flight_deck_aboard_the_Nimitz-class_aircraft_carrier_USS_Ronald_Reagan_(CVN_76)_after_the_ship_conducted_a_test_of_its_countermeas.jpg