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When working with a power tool, safety precautions must be followed. Be extremely careful when working. Do not exceed the peripheral speed indicated on the circle, saw, etc. Use protective covers. Do not neglect personal protective equipment, protect yourself during work. REMEMBER: Each of us comes in an individual kit and it is better to hold the box with your fingers than your fingers in the box. Help the channel: http://www.donationalerts.ru/r/reengi... I am on VK https://vk.com/aleksandr_reengineering Group on VK https://vk.com/aleksandr_reng