The invention also provides, in a preferred embodiment, a method of destroying a material, comprising {HEAD ~ the steps} of: feeding the material at a predetermined positively controlled rate towards a zero clearance portion formed between a cutter and at least one sacrificial blade or round bar; grabbing {TAIL ~ the material} with a tooth of the cutter; pulling the material into the zero clearance portion with the tooth of the cutter; and disposing the material between the cutter and the sacrificial blade or round bar at the zero clearance portion 
of grabbing
The invention also provides , in a preferred embodiment , a method of destroying a material , comprising { HEAD ~ the steps } of : feeding the material at a predetermined positively controlled rate towards a zero clearance portion formed between a cutter and at least one sacrificial blade or round bar ; grabbing { TAIL ~ the material } with a tooth of the cutter ; pulling the material into the zero clearance portion with the tooth of the cutter ; and disposing the material between the cutter and the sacrificial blade or round bar at the zero clearance portion
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