With reference to FIG 2, {TAIL ~ solar module arrays} are often mounted on {HEAD ~ inclines} 
With reference to FIG 2 , { TAIL ~ solar module arrays } are often mounted on { HEAD ~ inclines }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD