In addition, an operating unit is provided with second shafts, and the rotating unit is also connected to {TAIL ~ the second shafts} in {HEAD ~ a rotatable manner} 
In addition , an operating unit is provided with second shafts , and the rotating unit is also connected to { TAIL ~ the second shafts } in { HEAD ~ a rotatable manner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD