01

Generalities. Terminology. Standardization. Documentation

03

Services. Company organization, management and quality. Administration. Transport. Sociology

07

Mathematics. Natural sciences

11

Health care technology

13

Environment. Health protection. Safety

17

Metrology and measurement. Physical phenomena

19

Testing

21

Mechanical systems and components for general use

23

Fluid systems and components for general use

25

Manufacturing engineering

27

Energy and heat transfer engineering

23.040.80

Seals for pipe and hose assemblies

29

Electrical engineering

31

Electronics

33

Telecommunications. Audio and video engineering

35

Information technology. Office machines

37

Image technology

39

Precision mechanics. Jewellery
40

43

Road vehicles engineering

45

Railway engineering

47

Shipbuilding and marine structures

49

Aircraft and space vehicle engineering

53

Materials handling equipment

55

Packaging and distribution of goods

59

Textile and leather technology

61

Clothing industry

65

Agriculture

67

Food technology

71

Chemical technology

73

Mining and minerals

75

Petroleum and related technologies

77

Metallurgy

79

Wood technology
80

81

Glass and ceramics industries

83

Rubber and plastic industries

85

Paper technology

87

Paint and colour industries

91

Construction materials and building

93

Civil engineering

95

Military engineering

97

Domestic and commercial equipment. Entertainment. Sports
99