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