Dust amassed will form a mountain. (Japanese) Even a new mat, when beaten, will raise dust. (Japanese) From that dust comes this mud. (Spanish) Gather enough dust and it makes a high mountain. (Korean) He who blows dust fills his eyes with it....

Airborne particulate matter between 1 and 75 microns in...

Three years of solid usage has blocked this laptop heat sink with dust, making the computer unusable Dust is a general name for minute solid particles with diameters less than 500 micrometers. On Earth, dust occurs in the atmosphere from various...