In turn, this movement of the floor pan allows the seat to move in the same direction as {HEAD ~ the vehicle roof} maintaining {TAIL ~ the distance} between roof and seat 
maintaining
In turn , this movement of the floor pan allows the seat to move in the same direction as { HEAD ~ the vehicle roof } maintaining { TAIL ~ the distance } between roof and seat
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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH