Dust

thumb|A dust storm blankets houses in [[Texas, 1935]] thumb|Global oceanic distribution of dust deposition (geology)|deposition thumb|Map of dust in 2017 thumb|Three years of use without cleaning has caused this laptop [[heat sink to become clogged with dust, such that it can no longer be used.]] thumb|Domestic dust on a finger Dust is made of fine particles of solid matter. On Earth, it generally consists of particles in the atmosphere that come from various sources such as soil lifted by wind (an aeolian process), volcanic eruptions, and pollution.

thumb|Sawdust made with hand saw thumb|:ja:オガ炭|Ogatan, Japanese [[charcoal briquettes made from sawdust]] thumb|Sawdust vendors in Kashgar markets

meteorological phenomenon

Industrial machine

fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal

various house-dwelling mites that cause allergies

dust made from soil minerals