Engineers

1. techniques of engineering to biology and medicine
4. the activities related to the production of Hydrocarbons(which can be natural gas)
7. engineering discipline that deals with the technological aspects
10. parts suppliers to design and build entire vehicles or individual parts or systems
11. design major transportation projects
12. the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism
13. central to manufacturing operations
14. both open-pit and underground mines
16. an electrical engineering discipline
18. Field of study for agricultural purposes
19. deals with chemical production and the manufacture of products through chemical processes

2. protecting people from the effects of adverse environmental effects
3. primary field of engineering concerned with the design
5. researches and studies textile materials, including fibers, yarn and fabrics, to design quality products
6. with metals, ceramics, and plastics to create new material
8. engineering that involves the design, production, and operation of machinery.
9. technology and biological science for development
15. the application of breaking down atomic nuclei
17. electrical engineering and computer science to create new computer hardware and software