| http://www.w3.org/ns/prov#value | - A change to parts or accessories of machine-tools for working any material by the removal of material, by laser or other light or photon beam, ultrasonic, electro-discharge, electro-chemical, electron beam, ionic-beam or plasma arc processes, or for drilling, boring, milling, threading or tapping by removing metal, or for deburring, sharpening, grinding, honing, lapping, polishing or otherwise fin
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