{HEAD ~ A main body} 50 of {TAIL ~ the machine} has a cooling water tank 1, which is filled with cooling water 2 
{ HEAD ~ A main body } 50 of { TAIL ~ the machine } has a cooling water tank 1 , which is filled with cooling water 2
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH