The pivotable connection between {HEAD ~ frame} and {TAIL ~ tank} is preferably designed in such a way that pivoting of the tank is about a horizontal axis 
The pivotable connection between { HEAD ~ frame } and { TAIL ~ tank } is preferably designed in such a way that pivoting of the tank is about a horizontal axis
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH