Safety micro switches for operatorprotection during dual station operations.
在双人工作时用于操作人员保护小型安全开关。
2
Protection for the operator and passengers will remain a key factor.
尽管如此，对操作人员及旅客安全的保护将始终是首要考虑的因素。
3
A port operator shall, in accordance with the laws and regulations concerning environmental protection, take effective measures to prevent and control pollution and hazards to the environment.