2) Electrical safetya) Power tool plugs must match the socket. Never change the plug in any way. Electric power tools to be grounded shall not use any changeover plug. The non - modified plug and matching socket will reduce the risk of electric shock.b) Avoid contact with the ground surface, such as pipes, heat sinks and refrigerators. If your body grounding increases the risk of electric shock.c) Do not expose electric tools to rain or wet conditions. Water into electric tools will increase the risk of electric shock.d) No abuse of wire. Never use wire to carry, pull electric tools or pull out the plug. Keep wires away from heat, oil, sharp edges or moving parts. Damaged or winding cords increase the risk of electric shock.e) When using power tools outdoors, use external flexible cords for outdoor use. Suitable for outdoor use will reduce the risk of electric shock.f) If it is unavoidable to operate an electric tool in a wet environment, the residual current operated protective device (RCD) should be used. Using RCD can reduce the risk of electric shock.