The hand held device has {TAIL ~ a motor} powered by water supplied under pressure, which motor operates a rotary brush lubricated by {HEAD ~ water} flowing through the motor 
The hand held device has { TAIL ~ a motor } powered by water supplied under pressure , which motor operates a rotary brush lubricated by { HEAD ~ water } flowing through the motor
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH