It is a preview of subscription content, log in by using an institution to examine accessibility. Obtain this informative article The extra overall flexibility of such discs, established by the vulcanized fiber backing, tremendously reduces the vibrations and sound level when compared with other abrasive discs like grinding wheels or https://www.facebook.com/permalink.php?story_fbid=pfbid0ZH2jhnQuVnNsrf7xUngo6hnw8VNigrx8w64W2Ji5AUpczagcBgWpHE8kvQZWBEFkl&id=61562415773754&__cft__[0]=AZUv0AZ4Vzq2mZEo3P_lStgda1Mk_448-06NRE4cd3PevlhWAXppnGNb_Jbst-BWjKh_l5FL6V7cJ9WmuzUiDy6PdQe8Khi5JYxgHpgu2DYx_sAnNwVcdA-e5yaNTkA_4-8Vd79cbC7DMnkPzKjEOnikkaHkHQKTMTa-RNax5u235d9FCHnjGdOg3qI6pgBkAxWqhjiXTS6S_X9n73ZnOYpO&__tn__=%2CO%2CP-R