The method 1 wherein said step of selectively abrading comprises moving said separated loose pellets over said first face wherein said separated loose pellets have a lower coefficient of friction with said first face than the coefficient of {HEAD ~ friction} between {TAIL ~ said log} and said second face 
The method 1 wherein said step of selectively abrading comprises moving said separated loose pellets over said first face wherein said separated loose pellets have a lower coefficient of friction with said first face than the coefficient of { HEAD ~ friction } between { TAIL ~ said log } and said second face
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