The plant is operated entirely by remote control and monitored by closed circuit television or periscope. 这个工厂完全用遥控操作，而且用封闭电路电视或展望镜来监视。
Manual systems need to be evaluated for safe operation, and automatic remote operation should be considered for silane systems. 手动系统需要进行安全操作的评估，对于硅烷系统应该考虑自动遥控操作。
