As the ball screw is advanced toward the table main body, the end of the ball screw pushes one side of the table main body to swivel {HEAD ~ the table main body} in {TAIL ~ a first direction} 
in
As the ball screw is advanced toward the table main body , the end of the ball screw pushes one side of the table main body to swivel { HEAD ~ the table main body } in { TAIL ~ a first direction }
OTH OTH OTH OTH 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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL