{HEAD ~ A lower retaining portion} 15 is free of the housing 11 and is free of electrical and electronic component parts and merely contains {TAIL ~ an admission} for a cleaning agent as well as an outlet for waste water 
merely contains
{ HEAD ~ A lower retaining portion } 15 is free of the housing 11 and is free of electrical and electronic component parts and merely contains { TAIL ~ an admission } for a cleaning agent as well as an outlet for waste water
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH