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