If you are using a respirator at work, talk to your employer about how to wear and use it. When using it at home or elsewhere, follow these instructions.

• 如果您准备使用呼吸防护口罩，请向您的雇主咨询如何正确使用和佩戴。如果打算在家或者其他地方使用，请遵照以下指引：