The front and rear portions of {TAIL ~ front and rear floor panels} pivotally mounted on the axle are suspended from the front and rear U shaped members, respectively, by tension members when {HEAD ~ the trailer} is open for use but can be pivoted toward each other when the trailer is collapsed 
The front and rear portions of { TAIL ~ front and rear floor panels } pivotally mounted on the axle are suspended from the front and rear U shaped members , respectively , by tension members when { HEAD ~ the trailer } is open for use but can be pivoted toward each other when the trailer is collapsed
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