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• [Caution] • Be sure to wear safety glasses or a face shield to ensure eye safety.　・A large amount of dust is generated during the work, so be sure to wear a dust mask.　・The maximum number of revolutions of this product means the product in the unloaded state.　・Check the product before use to make sure that there is no rust or scratches. Do not use this product if it has rust.　・Keep away from other people while you are working.