hat
Holtop AHUs yo baze sou yon konsepsyon konplètman modilè, ki kapab adapte a bezwen yo nan yon varyete de kalite enstalasyon, epi li devlope pa peye atansyon espesyal nan enèji ki efikas. Tanpri bay detay sou pwojè ou ak kondisyon kòm anpil jan ou ka pou nou ka fè yon pwopozisyon pou ou pi vit ke posib.
eng
Since they are so small and light, fine particles tend to stay longer in the air than heavier particles. This increases the chances of humans and animals inhaling them into the bodies. Owing to their minute size, particles smaller than 2.5 micrometers are able to bypass the nose and throat and penetrate deep into the lungs and some may even enter the circulatory system.