Two gas props connect {TAIL ~ an inside surface} of the door to the opposing sides of {HEAD ~ the rear opening} 
Two gas props connect { TAIL ~ an inside surface } of the door to the opposing sides of { HEAD ~ the rear opening }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD