URI
Notation
62
Caption
Engineering. Technology in general
Broader class
6  APPLIED SCIENCES. MEDICINE. TECHNOLOGY
Narrower classes
62-1/-9Special auxiliary subdivision for technology in general
620Materials testing. Commercial materials. Power stations. Economics of energy
621Mechanical engineering in general. Nuclear technology. Electrical engineering. Machinery
622Mining
623Military engineering
624Civil and structural engineering in general
625Civil engineering of land transport. Railway engineering. Highway engineering
626/627Hydraulic engineering and construction. Water (aquatic) structures
628Public health engineering. Water. Sanitation. Illuminating engineering
629Transport vehicle engineering