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Electricity is important to life. A vast number of machines which are invented nowadays cannot be operated without it. As a matter of fact, electricity is used mostly in four main areas: industry, public health, media and transportation.
First of all, electricity plays an integral part in industry. Thanks to the invention of electricity, a lot of equipment has been invented including computers, subways, bulbs,etc ... .Electricity is the crucial factor in operating most devices. As a matter of fact, we now lighten our lives with electricity, which is unexpensive and friendly-environment. Moreover, electricity has given birth to assembly line, which means everything is produced by machines precisely and constantly, saving us a great amount of time and money. Apparently, electricity is used by all walks of life everyday in all aspects. For example, in summer, air conditions are used to provide us with cool air and we turn on the heating system to keep the room warm in winter.
In the second place, electricity is essential in daily transportation. Only with the advent of electricity can people create the traffic light. This is a great contribution to the safety of people on the street. Additionally, because steam engines are now replaced with electric engines, global warming and greenhouse effect are reduced considerably. Obviously, not only the speed is increased but the journey is smoke free, so less pollution are added into the atmostphere, helping to protect the environment.
Another area in our life on which electricity has a great influence is media both in communication and entertainment. Take telegraphs and telephones for examples, both of them are commonplace today and they need electricity to operate. With these devices, we can talk to our friends and family at a great distance or wee can even fax to every corner of the world within no time. Similarly, televisions enable everyone to update information around the world and see what is happening at the other side of the globe simultaneously. Needless to say, without these speedy means of communications, many business would come to a halt. More significantly, electricity makes entertainment possible, creating a much more interesting and fascinating world. It can't be denied that books, which are now available everywhere are not only knowledgeable but they are also entertaining. Since the invention of electricity, the number of books and periodicals released has been noticeably increasing. Therefore, the utility of electricity has not only brightened our homes but also our heads.
Finally, elecitricy is helpful in health services and treatment. Due to electricity, medical technology are improved. In hospitals, surgeons are able to carry operation in a more effective and efficient way. Many dangerous diseases which used to be fatal in the past cannot kill people now. For instance, X-ray machines enables doctors to take photographs of internal parts of the body so that the surgery and operation are much safer and more accurate. Briefly speaking, many men would probably meet their death without it.
In a nutshell, the importance of electricity in our daily routine is undeniable.However, the demand for it is increasing because more and more people have access to it. As a result, everyone should make an attempt to reduce the consumption of electricity in family as well as in office by using it more reasonably.