essay on mans best invention
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An invention is the creation of a new material or we can say that the action of inventing something new is called invention.
Wheel:
Today we live in the age of science.But in past we don't have enough knowledge or we can say information. We have to travel a long distance by foot . Then we "the great human beings" invent the rotating wheel which in later we use it as a roller then sledge then sledge on roller and so on . See in the first figure .
Machines:
In the ancient time or past we had very problems in the farm lands says food take so much time to grow , ploughing etc . But because of these machines ( Tractor ) we can easily plough and the food gets ready in shorter period of time . Also these machines are used everywhere . We use air conditioners to keep our room cool , we use room heaters to keep our room hot . We use vehicles to travel long distances.See in the second image.
Telephones/Mobiles :
Telephones are also a great invention of the men . We can communicate with our relatives or friends who are living far away from us . These telephones also play a crucial role in the business . We can save our time without travel a long distances with the help of mobiles/telephones . See in the third image .
These all inventions have their its own merits . All are best inventions . So we can't say that only one is the best invention as every invention play a crucial role in our life .
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man's best invention...................
electricity
electricity was invented by Thomas Alva Edison who gave light to the whole world.
Electricity a major invention are of many types
they are static electricity hydro electricity and many others.
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