Nominjargal Otgonjargal2024-11-082024-11-082021-04-30https://gmitlibrary.net/handle/123456789/59The term dust initially cited naturally to particles of earth or other matter small enough to be lifted and carried by wind. During the late Middle Ages of the post-classical era, dust claimed to be medical significant. The first English discourse on asthma, Sir John Floyer (1649-1734) described, dust as one of the environmental cause of asthma attacks. It was the beginning of Industrial Revolution that dust identified as a hazardous matter in the modern world. Since the Industrial Revolution took place, factories were built, agriculture, glass making, and textile manufacturing which had all undergone changes. The most popular invention during that time was steam-engine, which is more effective than men or animals that helped to power Industrial Revolution. The steam engine used hot steam from boiling water by burning coal. It created a huge demand of coal to power the inventions such as steam engine. As the coal demand increases, miners were forced to go deeper to find more coal. The tunnel was narrow and suffocating, which miners had to work on their knees and had not wearing proper, safe clothes. During the extraction, they contacted with dangerous gases that existed naturally underground such as methane. Many miners’ dead because of the explosions called: Fire damp, which causes thick clouds of coal dust and many more.enThesis