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When a hot ember ignites the nests, the fire can be just as serious as one caused by ignition of soot. In very old houses, the chimney may also be very large and thick enough to withstand the fire. The high temperatures may affect the strength of the chimney causing distortion of metal structures, and potential failure of ceramic structures.
Ventilation is a part of structural firefighting tactics, and involves the expulsion of heat and smoke from a burning building, permitting the firefighters to more easily and safely find trapped individuals and attack the fire. It is frequently performed from the outside of a burning building while the fire is being extinguished on the inside.
A chimney sweep in Wexford, Ireland in 1850.. A chimney sweep is a person who inspects then clears soot and creosote from chimneys.The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion.
Wall mopping is a method of cleaning walls with a mop, which helps to preserve the paint, while eliminating dust and dirt. It might sound contrary—mopping the walls—but gone are the times when ...
Another example is the soot that is deposited on the walls of chimneys. Soot molecules rise from the fire in a hot and gaseous state. When they come into contact with the walls they cool, and change to the solid state, without formation of the liquid state. The process is made use of industrially in combustion chemical vapour deposition.
A fast-moving brush fire that erupted Tuesday in Los Angeles threatened homes and sent thousands of residents fleeing, prompting city and state officials to declare a state of emergency.
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