Entire or partial end wall or side wall sections of {TAIL ~ a corrugated metal building} can be constructed economically with an integrated solar heating panel which can supply forty to sixty percent of {HEAD ~ winter heating} during daylight hours 
Entire or partial end wall or side wall sections of { TAIL ~ a corrugated metal building } can be constructed economically with an integrated solar heating panel which can supply forty to sixty percent of { HEAD ~ winter heating } during daylight hours
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