Ukuba isantya sakho se-angle grinder sisantya esiguquguqukayo, ungasisebenzisa njengepolishi yemoto enesantya esiphantsi malunga ne-0-3000. ukuba isantya siphezulu kune-4000, mhlawumbi iya kwenzakalisa impahla yakho ngenxa yesantya esiphezulu.