Engineering is generally considered to consist of the major primary branches of:
1.        Chemical engineering
2.        Civil engineering
3.        Electrical engineering
4.        Mechanical engineering
5.        Interdisciplinary branch

1.        Chemical engineering subdisciplines:
•        Biomolecular engineering
•        Materials engineering
•        Molecular engineering
•        Process engineering
•        Corrosion engineering

2.        Civil engineering subdisciplines:
•        Environmental engineering
•        Geological engineering
•        Geotechnical engineering
•        Transport engineering
•        Structural engineering
•        Utility engineering
•        Water resources engineering

3.        Electrical engineering subdisciplines:
•        Electronic engineering
•        Computer engineering
•        Power engineering
•        Optical engineering

4.        Mechanical engineering subdisciplines:
•        Acoustical engineering
•        Manufacturing engineering
•        Optomechanical engineering
•        Thermal engineering
•        Sports engineering
•        Vehicle engineering
•        Power plant engineering
•        Industrial plant engineering
•        Energy engineering

5.        Interdisciplinary branch:
•        Aerospace engineering
•        Agricultural engineering
•        Applied engineering
•        Biomedical engineering, Biomedical nanoengineering
•        Biological engineering
•        Building services engineering
•        Energy engineering
•        Information engineering
•        Industrial engineering
•        Mechatronics engineering
•        Engineering management
•        Military engineering
•        Mining engineering
•        Nanoengineering
•        Quantum engineering
•        Nuclear engineering
•        Petroleum engineering
•        Project engineering
•        Railway engineering
•        Software engineering
•        Supply chain engineering
•        Systems engineering
•        Textile engineering

,-World of Engineering