{HEAD ~ A method} 6, wherein said {TAIL ~ feeding step} includes alternately increasing and decreasing said rate of relative motion between a high rate and a low rate including the further step of establishing at least one of said high rate and said low rate in accordance with an empirically determined characteristic corresponding to a constant load resistance imposed by said ingot on said blade of said ID saw 
wherein
{ HEAD ~ A method } 6 , wherein said { TAIL ~ feeding step } includes alternately increasing and decreasing said rate of relative motion between a high rate and a low rate including the further step of establishing at least one of said high rate and said low rate in accordance with an empirically determined characteristic corresponding to a constant load resistance imposed by said ingot on said blade of said ID saw
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