Develop a constructive set specification of the set of pairs where the first element of each pair is the sum of two nonzero natural numbers and the second element is the difference between the same numbers. Both numbers should be between 100 and 200 inclusive.
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Respected teachers and my dear friends. Today I want to draw the attention of one and all towards the wastage of electricity in our country. You will agree that during the last several years the consumption of electricity has been steadily rising. Since 2014 consumption of electricity produced and supplied was 500 Megawatts and more.
The major portion of consumption was of the industrial houses; it was 250 Megawatts in 2014 but touched 350 Megawatts. Residential units consumed 100 Megawatts in 2014 but it rose to 150 in 2016. In the agriculture sector, the rise was not steep because of a satisfactory rainfall. But there was also a slight rise in consumption in this sector from 2014 onwards.
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