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Carbon dioxide, dry powder and vapourising liquid extinguishers : Fires produced by spilled liquids should be extinguished by directing the jet or discharge horn towards the near edge of the fire and with a rapid sweeping motion drive the fire towards the far edge until all the flames are extinguished. Other types of fire may be extinguished by directing the jet directly at the burning material. The current should be switched off first if the fire is close to electrical equipment. The controlled discharge type of extinguisher may be turned off once the fire is out, but the fire should not be left unattended as re-ignition may occur. Vapourising liquid extinguishers should not be used in a confined space if there is a danger that the fumes may be inhaled.
Figure: Use of carbon dioxide and vapourising liquid extinguishers.
A fire blanket may be used in conjunction with a carbon dioxide extinguisher, for example, for flammable liquids and other fires. The fire is first smothered with the blanket and the carbon dioxide extinguisher is used to ensure that all the flames are extinguished. Burning clothing should be extinguished by rolling the victim in the fire blanket on the floor. Fire blankets are more usually made of glass fibre than of asbestos. You will study more about fire blankets shortly.
A therapeutic nurse patient relationship is the central element in the nursing process (Hewitt, & Coffey, 2005). The therapeutic nurse patient relationship is a synergistic proces
Define Albumin in the Urine Albumin in the urine generally means leaking of the plasma albumin through the inflamed renal glomerulus (glomerulonephritis). It may also be presen
how can isolated brown dwarf passing between another star and the earth could be detected?
What are the major challenges of mining a huge amount of data (e.g., billions of tuples) in comparison with mining a small amount of data (e.g., data set of a few hundred tuple)?
Soil Types of India Soils were classified as urvara (fertile) and anuvara or usara (barren) in the ancient period. The soils were then given local names by cultivators like, M
A stone seems to weigh less in water Weigh a large stone on a pair of kitchen scales. Put a loop of heavy string around the stone and weigh it again suspended in a pail of wate
Explain Neutral fats Neutral fats are esters of fatty acids with glycerol and found abundantly in nature. These are insoluble in water but readily soluble in ether,
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Name 2 places on earth where continental glaciers exist: Antarctica And Greenland are the two place where continental glaciers exist:
how do you find the contour interval
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