The most common illnesses among VDU operators are connected with the eyes and vision.视频显示操作人员最常见的疾病与眼睛和视力有关。The screech of modems is pure joy for these computer jockeys.调制解调器刺耳的声音对这些电脑操作人员纯粹是一种乐趣。A blade guard is fitted to protect the operator.为保证操作人员的人身安全安装了桨叶保护罩。