In addition, there is no possibility of causing {TAIL ~ variations} in {HEAD ~ projection angle adjustment} among maintenance workers 
In addition , there is no possibility of causing { TAIL ~ variations } in { HEAD ~ projection angle adjustment } among maintenance workers
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH