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