Grinder is used for cutting and grinding of a grinding tool. Portable multi-purpose Angle grinder, suitable for deburring and polished. To introduce the below procedures: (Angle grinder)Angle grinder before use, to confirm it with protective cover for installation is firm, if not installed, do not plug in the homework. ()The installed grinding cutting, grinding, confirm whether installed firmly lock, if no, do not plug in the homework. ()The operator must take to protect an eye mask, do a good job in self protection. ()After open the switch Angle grinder, after waiting for grinding wheel rotational stability to work. ()If the operator for the worker, long hair must be tied up the hair first, when it is necessary to wear working cap. ()Electric tool grinding machine cutting direction towards people. ()Angle grinder work continuously to stop for 15 minutes, half an hour to burn machine to avoid overheating. ()Polished artifacts, cannot catch with the hand diagonal grinding machine for processing small parts. ()Finally, all you have with manual grinder factory, please be sure to check before the operation manual.