Reinforcement ribs extend downward from the bottom of {TAIL ~ the mount bracket}, across {HEAD ~ the cylinder portion} 
Reinforcement ribs extend downward from the bottom of { TAIL ~ the mount bracket } , across { HEAD ~ the cylinder portion }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD