621 Mechanical engineering in general. Nuclear technology. Electrical engineering. Machinery 622 Mining 623 Military engineering 624 Civil and structural engineering in general 625 Civil engineering of land transport. Railway engineering. Highway engineering 626/627 Hydraulic engineering and construction. Water (aquatic) structures 629 Transport vehicle engineering 63 Agriculture and related sciences and techniques. Forestry. Farming. Wildlife exploitation 630 Forestry 631/635 Farm management. Agronomy. Horticulture 633/635 Horticulture in general. Specific crops 636 Animal husbandry and breeding in general. Livestock rearing. Breeding of domestic animals 64 Home economics. Domestic science. Housekeeping 65 Communication and transport industries. Accountancy. Business management. Public relations 654 Telecommunication and telecontrol (organization, services) 655 Graphic industries. Printing. Publishing. Book trade 656 Transport and postal services. Traffic organization and control 657 Accountancy 658 Business management, administration. Commercial organization 659 Publicity. Information work. Public relations 66 Chemical technology. Chemical and related industries 67 Various industries, trades and crafts 68 Industries, crafts and trades for finished or assembled articles 69 Building (construction) trade. Building materials. Building practice and procedure 7 The arts. Recreation. Entertainment. Sport 7.01/.09 Special auxiliary subdivision for the arts 7.01 Theory and philosophy of art. Principles of design, proportion, optical effect 7.02 Art technique. Craftsmanship 7.03 Artistic periods and phases. Schools, styles, influences 7.04 Subjects for artistic representation. Iconography. Iconology 7.05 Applications of art (in industry, trade, the home, everyday life) 7.06 Various questions concerning art 7.07 Occupations and activities associated with the arts and entertainment 7.08 Characteristic features, forms, combinations etc. (in art, entertainment and sport) 7.091 Performance, presentation (in original medium) 71 Physical planning. Regional, town and country planning. Landscapes, parks, gardens 72 Architecture 73 Plastic arts 74 Drawing. Design. Applied arts and crafts 745/749 Industrial and domestic arts and crafts. Applied arts 75 Painting 76 Graphic art, printmaking. Graphics 77 Photography and similar processes 78 Music 79 Recreation. Entertainment. Games. Sport 791 Cinema. Films (motion pictures) 792 Theatre. Stagecraft. Dramatic performances 793 Social entertainments and recreations. Art of movement. Dance 794 Board and table games (of thought, skill and chance) 796 Sport. Games. Physical exercises 797 Water sports. Aerial sports 798 Riding and driving. Horse and other animal sports 799 Sport fishing. Sport hunting. Shooting and target sports 8 Language. Linguistics. Literature Tables for class 8 are fully faceted and details are expressed through combination with common auxiliaries of language (Table 1c) and a series of special auxiliary tables to indicate other facets or attributes in Linguistics