Hospital area safety monitoring		The hospital is crowded area, if a terrorist event occurs, the consequences can not be envisaged, by monitoring the environment of hospital data, especially the data of harmful gases, to provide the basis for the unexpected.
Park Area		Park is also densely populated areas, through the park to monitor the environmental data to provide theoretical guidance for the park air safety.
Metro, Station, Airport,		Densely populated areas, can be used as a key monitoring area.
Office building, densely populated areas		Densely populated areas, can be used as a key monitoring area.