According to another aspect, there is provided a method includes {HEAD ~ steps} of sensing {TAIL ~ water}, firing an actuator, rotating a cam member and linearly moving a releasing slide 
According to another aspect , there is provided a method includes { HEAD ~ steps } of sensing { TAIL ~ water } , firing an actuator , rotating a cam member and linearly moving a releasing slide
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH