By actuating the drive mechanism, the cover is moved through {TAIL ~ a predetermined distance} in such a manner that when it is in the mounted position, {HEAD ~ the toilet seat body} is completely surrounded by the tubular cover 
By actuating the drive mechanism , the cover is moved through { TAIL ~ a predetermined distance } in such a manner that when it is in the mounted position , { HEAD ~ the toilet seat body } is completely surrounded by the tubular cover
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH