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Why do plaster saws not injure the skin? It may seem that the doctor is very careful during the procedure But in fact, the answer lies in the saw itself This saw does not rotate, it vibrates These vibrations are able to cut through hard material plaster or wood But when it comes to softer and more elastic materials such as leather, small teeth cannot cling to it during vibration. Instead, they don’t just move the skin without harming it
