Standards governing Prevention of Industrial Robots Hazards Article 14
For Robots set by employers, motion direction of the joint parts of the manipulator may be marked, and the marked motion direction shall be consistent with the marked direction of the action on the control panel.
中文原文 工業用機器人危害預防標準第14條
雇主設置之機器人，其操作機關節部分等可標示動作方向者，其標示之動作方向應與控制面盤上該操作機動作開關之標示一致。