According to {TAIL ~ another aspect} of the present invention, an adjustable wedge block is provided to limit the tilting angle of {HEAD ~ the control lever} so as to confine the maximum output volume of water 
According to { TAIL ~ another aspect } of the present invention , an adjustable wedge block is provided to limit the tilting angle of { HEAD ~ the control lever } so as to confine the maximum output volume of water
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH