{HEAD ~ The spraying device} is mounted on {TAIL ~ the base} and has a mounting cover and an spraying ball 
is mounted on
{ HEAD ~ The spraying device } is mounted on { TAIL ~ the base } and has a mounting cover and an spraying ball
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH