MDS621.3132

Wording: TechnologyEngineering and allied operationsApplied physicsElectrical, magnetic, optical, communications, computer engineering; electronics, lightingGeneration, modification, storage, transmission of electric powerNot setNot set

Dewmoji: 💡🔩🏭????

0 Information 216,948 ℹ️	1 Philosophy and Psychology 229,419 💭	2 Religions 562,779 🙏	3 Social sciences 1,169,921 👫	4 Language 177,109 💬	5 Natural sciences and mathematics 380,441 🔬	6 Technology 844,132 💡	7 The arts 857,504 🎨	8 Literature 1,201,263 📚	9 History and Geography 703,933 🗺️
60 General Technology 8,586 💡	61 Medicine and health 277,111 💉	62 Engineering and allied operations 140,868 🔩	63 Agriculture & related technologies 78,723 🌱	64 Home and family management 152,587 🏠	65 Management and auxiliary services 131,640 👔	66 Chemical Technology 17,794 🚀	67 Manufacturing 7,692 📦	68 Manufacture of products for specific uses 18,201 🔨	69 Building 10,930 👷
620 Engineering 19,566 🔩	621 Applied physics 42,616 🏭	622 Mining Engineering and Mines and Mineral Resources 3,424 🕳	623 Military Engineering and Marine Engineering 13,937 ⚓	624 Civil Engineering 7,390 🌉	625 Road and Railroad 5,150 🛤	626 unassigned since 1911 7th Edition (was Canal Engineering) 72 🤷	627 Hydraulic Engineering 1,678 🌊	628 Sanitary; Municipal 6,571 🚽	629 Other Branches 40,464 🌿
621.0 1,143	621.1 Steam engineering 567	621.2 Hydraulic machinery 238	621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting 30,327	621.4 Heat engineering 3,663	621.5 Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery 415	621.6 Fans (Machinery) and Pumping machinery 142	621.7 Production engineering and Factories and Machine-shop practice 155	621.8 Machine Engineering 2,398	621.9 Machine-tools 1,300
621.30 Electric power plant 418	621.31 Generation, modification, storage, transmission of electric power 4,466	621.32 Lighting 356	621.33 Electric Railways 41	621.34 Magnets and Electromagnets 107	621.35 Batteries and Superconductivity 32	621.36 Optical engineering 2,657	621.37 Electrical Measurement Instruments 133	621.38 Electronics, communications engineering 18,275	621.39 Computer engineering 2,189
621.310 211	621.311 4	621.312 818	621.313 137	621.314 62	621.315 23	621.316 14	621.317 289	621.318 2	621.319 Transmission 1,694
621.3130 1	621.3131 2	621.3132 19	621.3133 23	621.3134 5	621.3135 1	621.3136 12	621.3137 7	621.3138	621.3139