Classification
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650 - Management & auxiliary services
2
658 - General management
90
660 - Chemical engineering
2
670 - Manufacturing
4
681 - Precision instruments & other devices
5
683 - Hardware & household appliances
1
686 - Printing & related activities
2
696 - Utilities
2
697 - Heating, ventilating & air-conditioning
2
700 - The arts; fine & decorative arts
1
745 - Decorative arts
290
770 - Photography, photographs & computer art
7
775 - Digital photography
1
777 - [Unassigned]
4
778 - Fields & kinds of photography
1
781 - General principles & musical forms
82
786 - Keyboard & other instruments
1
790 - Recreational & performing arts
4
791 - Public performances
2
800 - Literature & rhetoric
2