The enclosure formed by the side members 116 and 118 and {TAIL ~ the cover plate} 120 also prevents {HEAD ~ the ejection} of a substantial portion of wood chips and debris, thus insuring that the operator of the tractor 4 is not in danger of flying wood chips and debris 
The enclosure formed by the side members 116 and 118 and { TAIL ~ the cover plate } 120 also prevents { HEAD ~ the ejection } of a substantial portion of wood chips and debris , thus insuring that the operator of the tractor 4 is not in danger of flying wood chips and debris
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