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In recent years there has been significant job growth in the field and demand for computer science graduates is increasing substantially . Volume of reference desk inquiries has increased 23 % since 1987 . Bruce Kramer , NSF director of engineering education , says the need for industrial engineers in the service and information technology industries is increasing , while such a role in more traditional manufacturing jobs is diminishing . The HIV / AIDS pandemic has already had a great impact on the infrastructure and social structure in the country and At the same time , there is an increased the demand for health care services is increasing . According to scientific assessments the frequency of forest fires in old growth forest areas has increased two to three times due to penetration of the oil and gas industry .