People from any part of the world come in contact with each other with the developments in modern communication and transport. Science has made marvelous machines. It has relaxed man’s arms and legs. The machine does most of the work. The machines have quickened the agriculture and other industries. On the other hand, machines make us dependent to them. For running the machines lot of fuels is used which creates pollution on Hardwood floor installation cost combustion. It requires lot of energy for its working. Next the cost of medicines is getting increased due to the invention of more testing methods and the Demand. The cost of surgery has also become high. Though with the help of modern inventions, the weapons which are developed may help in protecting the country but still they have a limitation of threatening people.
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