Classification
620 - Engineering & allied operations
143
667 - Cleaning, color & coating technologies
61
621 - Applied physics
34
670 - Manufacturing
27
541 - Physical chemistry
9
530 - Physics
5
629 - Other branches of engineering
4
571 - Physiology & related subjects
3
547 - Organic chemistry
2
610 - Medicine & health
2
691 - Building materials
2
333 - Economics of land & energy
1
338 - Production
1
352 - General considerations of public administration
1
531 - Classical mechanics; solid mechanics
1
543 - Analytical chemistry
1
579 - Microorganisms, fungi & algae
1
592 - Invertebrates
1
617 - Surgery & related medical specialties
1
660 - Chemical engineering
1