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