62 Engineering
620 Engineering and allied operations
620.001 Philosophy and theory 620.002 Miscellany 620.003 Dictionaries, encyclopedias, concordances 620.004 Design, testing, measurement, quality, maintenance, repair 620.009 History, geographic treatment, biography 620.1 Engineering mechanics and materials 620.2 Sound and related vibrations 620.3 Mechanical vibration 620.4 Engineering for specific kinds of geographic environments, fine particle and remote control technology, surface engineering 620.5 Nanotechnology 620.8 Human factors and safety engineering
Dewey Decimal Classification
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