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