These and {TAIL ~ other objects} of the instant invention are also achieved by providing an apparatus for automatically dislodging a person or thing trapped at the drain of {HEAD ~ a liquid reservoir} 
These and { TAIL ~ other objects } of the instant invention are also achieved by providing an apparatus for automatically dislodging a person or thing trapped at the drain of { HEAD ~ a liquid reservoir }
OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD