A toilet seat lifting device maintains {HEAD ~ a toilet seat} in {TAIL ~ a partially elevated position} when at rest 
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A toilet seat lifting device maintains { HEAD ~ a toilet seat } in { TAIL ~ a partially elevated position } when at rest
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH