This industry comprises establishments primarily engaged in manufacturing abrasive grinding wheels of natural or synthetic materials, abrasive-coated products, and other abrasive products. Illustrative Examples: Aluminum oxide (fused) abrasives manufacturing Buffing and polishing wheels, abrasive and nonabrasive, manufacturing Diamond dressing wheels manufacturing Sandpaper manufacturing Silicon carbide abrasives manufacturing Whetstones manufacturing Cross-References. Establishments primarily engaged in--