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