When using the power tools, first check the working condition, no person hurt by the splash or machine. When using the gas cut or grinding machine, wear the safety glasses.

 
  • 使用电动工具时要先检查作业环境,严防飞溅伤人、机械伤人,进行气割和打磨砂轮时必须戴防护眼镜;
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