| What are the main causes of dust: Industrial and manufacturing processes are the main causes of generating dust. However, don't forget domestic activities. But of course beyond natural events such as desert storms, the major dust generating human activities are agriculture, mining,construction and chemical industry. You can categorize dust as fibrogenic dust ( e.g. asbestos) and, nuisance dust (e.g. or respirable dust and inhalable dust. Dust allergies are the result of this kind of dusty environment. You can also categorize dust as operational dust and environmental dust The last will be studied in our air quality and and air pollution section. |
| DUST |
| Dust...The aim of this page is to explain, think and discuss all aspects of the concept DUST. The main keywords of this article are dust, dust control, dust control systems, air quality, air pollution, dust in literature and dust in religous books and scripts. First of all, it is necessary to define as much as simple the concept of dust: 1- fine particles of matter (as of earth ) 2- the particles into which something disintegrates 3- something worthless 4- a state of humiliation 5- the earth especially as a place of burial, the surface of the ground 6- confusion, disturbance |
| Etymology: Middle english, from Old English dust; akin to Old High German tunst storm, and probably to Latin fumus smoke - more at fume Date: before 12.th century. Dust consist of tiny solid particles which are formed by a disintegration and/or fracture process. These processes may be crushing, grinding and impact. Particle sizes may differ: You can see some of them and some are on the other hand are indefinetily in the air. |
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