Rajhans G S
Occup Health Saf. 1978 Jul-Aug;47(4):30-4.
Workers need to know why they wear respirators. And their use of protective equipment must always be supervised and governed by written procedures.
工作人员需要知道他们为何要佩戴呼吸器。并且他们对防护设备的使用必须始终受到书面程序的监督和管理。