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