{HEAD ~ The device} 10 contains {TAIL ~ an optional brush attachment} 40 having an upper end 42 and a lower end 44 
{ HEAD ~ The device } 10 contains { TAIL ~ an optional brush attachment } 40 having an upper end 42 and a lower end 44
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH