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Published byTyler Thomas Modified over 9 years ago
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GADADHAR HIGH SCHOOL LOKANATHA ROAD POST – PURI DIST – PURI PHONE – 06752 (230240)
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In modern times, coal is a very well-known thing. There are two kinds of coal, such as char – coal and mineral coal. Char – coal is obtained from burntIn modern times, coal is a very well-known thing. There are two kinds of coal, such as char – coal and mineral coal. Char – coal is obtained from burnt wood. We get char – coal when we burn wood. In the summer season, sometimes, forests happen to catch fire and we get of lot of char – coal. Char – coal is very soft. Its fire is soft too. Generally, goldsmiths use char – coal to melt gold and silver.
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The second kind of coal is obtained from mines. It is called mineral cold. It is very hard. It is as hard as stone. wood. We get char – coal when we burn wood. In the summer season, sometimes, forests happen to catch fire and we get of lot of char – coal. Char – coal is very soft. Its fire is soft too. Generally, goldsmiths use char – coal to melt gold and silver. The second kind of coal is obtained from mines. It is called mineral cold. It is very hard. It is as hard as stone.
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I n 18th century, England suffered from scarcity of wood. Some English men searched for new kind of fuel. A blacksmith named Abraham Darley was the first man to use coal in this smithy as fuel to melt his iron. The strong heat of mineral coal resulted in producing plenty of iron. Then the use of mineral coal spread over England and then, over the whole Europe. The weight of Europe. The weight of coals is greater than the weight of iron. Therefore huge factories of iron and steel were set up very close to the coal – mines.
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S trip miners often use extremely large buckets to level or move land. The buckets have sharp, slanted teeth on the front edge and are dragged along the surface of the ground by powerful machines. This bucket, used in the Big Muskie coal mine in Ohio, is the size of a small house.
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Now-a-days, mineral coal is put to various users. Steam power is necessary to propel Railway trains.,Stream -ships and Streamers. This stream –power is produced from Boiled by mineral coal. Electricity is produced from coal by planting thermal stations near coal mines. This electricity is used for running miles, factories and machines and for light, fan and water-supply. It is also used for cold –storing and air condition and for all such things that need electric power. Many people use mineral coal as fuel in their kitchens. Specially in hotels and restaurants the use of coal has become very popular.
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ynthetic petrol is produced from mineral, coal through a kind of chemical process. Now –a-days pitch is used very much in road construction. Pitch is also obtained from mineral coal. Coal- tar is smeared on wooden. Articles to save them from the ravage of white ants. Coal-tar is also obtained from mineral coal. Many kind of dye, many kinds of scent, many kinds of medicine, a kind of fertilizer called Ammonia sulphate, camphor, artificial musk, phenyl, vaseline, carbolic acid, saccharine and plastic are also made from coal. So, coal is full of value. There four coal is proverbially called, Black diamond. Many things are made by coal. We also use coal in our house in cooking.
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Today three different railways cross the state. Most train carries food product and natural resources, particularly coal.
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N ewcastle is one of Australia’s main manufacturing centres, and is the chief port serving the Hunter coalfield.
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There are many coal mines all over the world. In India there are some famous coal mines at Raniganj in Bengal, at jharia in Bihar and at Talcher in Orissa. It is hoped, India will march along her path of progress by exploiting her coal mines and by making the best use of her coal.
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