Classification
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629 - Other branches of engineering
13
631 - Techniques, equipment & materials
2
647 - Management of public households
1
650 - Management & auxiliary services
7
651 - Office services
5
652 - Processes of written communication
2
658 - General management
52
660 - Chemical engineering
16
664 - Food technology
3
665 - Industrial oils, fats, waxes & gases
17
666 - Ceramic & allied technologies
2
668 - Technology of other organic products
2
669 - Metallurgy
25
670 - Manufacturing
20
671 - Metalworking & primary metal products
84
673 - Nonferrous metals
1
674 - Lumber processing, wood products & cork
14
676 - Pulp & paper technology
1
677 - Textiles
2
680 - Manufacture for specific uses
3
681 - Precision instruments & other devices
20
688 - Other final products & packaging
2
690 - Buildings
93
692 - Auxiliary construction practices
2
693 - Specific materials & purposes
14
696 - Utilities
27
697 - Heating, ventilating & air-conditioning
36
720 - Architecture
4
745 - Decorative arts
1
770 - Photography, photographs & computer art
1
910 - Geography & travel
1