Lighthouse and Its Uses Ships and streamers at sea, during the dark nights ‘find it difficult to steer safely towards the harbour. There are rocky shores and rocks sunk …
Bridges The bridges are like long arms thrust out to grasp some other point or shore. One of man’s earliest problems was how to cross water. He could, of …
Paper and Its Uses We need paper for writing, typewriting and printing. Paper is one of the most useful articles in everyday life. But man did not invent paper. …
Gold and Its Uses The price and stock of gold speaks of the prosperity of a nation as well as an individual. Gold is the most precious of all …
Glass and Its Uses It is needless to point out the use of glass in modern times especially in the manufacture of many useful house-hold and novelty articles. But …
Rubber and Its Uses None can under estimate the use and value of rubber in the modern times. It is so much wanted by everybody and everywhere. From school …
Cement Lime stone is the raw material used for making Cement. it is taken from the quarries and is brought to the factory in lorries or wagons. Here it …
Floods Apart from the monsoon rains, due to depression in the bay, cyclonic whether sets in and storm causes heavy rainfall unexpectedly So, low lying areas and areas across …
Deserts Desserts are vast sandy regions without water or vegetation. Desert regions ate found in regions where the annual rainfall is less than two hundred millimeters. They are generally …
Forests Forests are useful to us in many ways. Timber and firewood are useful forest products. The most valuable timbers of great commercial importance are deodar, pine, oak, rove …
