Опубликовано в "Тренды", язык - English. 4 страниц.
Portable air quality monitors are handheld devices which are used for surveying air pollutants. It can be used in both outdoor and indoor environments. Portable air quality monitor is very useful for those who have asthma and allergy related problems. It can monitor the quality and safety of the air and also helps in breathing cleaner and healthier. Еще
