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 {HEAD ~ said first face} than the coefficient of friction between said log and {TAIL ~ 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 { HEAD ~ said first face } than the coefficient of friction between said log and { TAIL ~ said second face }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL