What do engineers do?

Engineers design and make things, lots of things, from roads to electronics to kitchenware to clothing, to medicines and medical equipment. A mom was asking recently for some references for her son to be able to choose which type of engineering he would like to pursue as a career. Below is a list of links that I provided, which includes many videos that would be of interest to most anyone. 

In 2008, engineers held about 1.6 million jobs. Following is the distribution of employment by engineering specialty:

Civil engineers	278,400
Mechanical engineers	238,700
Industrial engineers	214,800
Electrical engineers	157,800
Electronics engineers, except computer	143,700
Computer hardware engineers	74,700
Aerospace engineers	71,600
Environmental engineers	54,300
Chemical engineers	31,700
Health and safety engineers, except mining safety engineers and inspectors	25,700
Materials engineers	24,400
Petroleum engineers	21,900
Nuclear engineers	16,900
Biomedical engineers	16,000
Marine engineers and naval architects	8,500
Mining and geological engineers, including mining safety engineers	7,100
Agricultural engineers	2,700
Engineers, all other	183,200

See what you think of a few links below and then tell us what you learned about what engineers do.  What do Christian engineers do that non-Christian engineer cannot or wouldn't do?  What do you think needs to be engineered better?  Why do you think that engineers are considered the slaves of modern corporations? How do you think an engineer would be helpful in the home or farm or small business? How is God like an engineer?  Who are some famous engineers in history? Engineers in the Bible?
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http://www.futuresinengineering.com/
 http://www.youtube.com/watch?v=vZH68zPpFQI
http://www.manufacturingiscool.com/
http://students.egfi-k12.org/
http://www.engineering.com/
http://www.hobbyengineering.com/SectionXA.html
http://www.labpaq.com/product-overview/physics-overview-page
Engineering and natural sciences managers Engineering geologists, see: Geoscientists Engineering managers, see: Engineering and natural sciences managers
Engineering technicians
Engineers
Engineers, computer software, see: Computer software engineers     
Engineers, diesel, see: Rail transportation occupations
Engineers, locomotive, see: Rail transportation occupations
Engineers, rail yard, see: Rail transportation occupations
Engineers, railroad, see: Rail transportation occupations
Engineers, ship, see: Water transportation occupations
Engineers, stationary, see: Stationary engineers and boiler operators
http://en.wikipedia.org/wiki/List_of_engineering_societies
Christian Engineering Societies
http://www.christianengineer.org/
http://www.calvin.edu/academic/engineering/ces/