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