MDS 621.809034
Wording: Applied science & technology Engineering Applied physics Machine Engineering Not set Not set Not set Not set Not set
Dewmoji: 💡🔩🏭??????
0 Computer science, information & general works 252,013 ℹ️ | 1 Philosophy & psychology 270,129 🧠 | 2 Religion 681,242 🙏 | 3 Society, government, & culture 1,328,382 👫 | 4 Language 209,883 💬 | 5 Natural sciences & mathematics 431,918 🔬 | 6 Applied science & technology 940,635 💡 | 7 Arts & recreation 1,031,850 🎨 | 8 Literature & rhetoric 1,436,736 📚 | 9 History & geography 837,760 🗺️ |
60 Technology 9,943 💡 | 61 Medicine & health 306,082 💉 | 62 Engineering 157,979 🔩 | 63 Agriculture 88,093 🌱 | 64 Home economics & family management 172,237 🏠 | 65 Management & public relations 145,064 👔 | 66 Chemical engineering 19,470 🚀 | 67 Manufacturing 8,724 📦 | 68 Manufacture for specific uses 20,805 🔨 | 69 Buildings 12,238 👷 |
620 Mechanical & Civil Engineering 21,480 🔩 | 621 Applied physics 47,082 🏭 | 622 Mining and related operations 3,895 🕳 | 623 Military Vehicles: Land, Air, & Sea 15,890 ⚓ | 624 Bridges & Tunnels 8,105 🌉 | 625 Railroads, Subways, Roads 6,655 🛤 | 626 [Formerly: Canal Engineering] 83 | 627 Dams, Lighthouses, Drilling Platforms 1,873 🌊 | 628 Water Treatment & Waste Disposal 7,319 🚽 | 629 Transportation Vehicles 45,597 🌿 |
621.0 1,207 | 621.1 Steam engineering 687 | 621.2 Hydraulic machinery 291 | 621.3 Electronics & Computers 33,501 ⚡ | 621.4 Engines, Power Plants, Tools 4,105 ⚙️ | 621.5 Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery 454 | 621.6 Fans (Machinery) and Pumping machinery 161 | 621.7 Production engineering and Factories and Machine-shop practice 182 | 621.8 Machine Engineering 2,644 | 621.9 Machine-tools 1,518 |
621.80 59 | 621.81 Principles of mechanism 262 | 621.82 Journals, shafting, etc. 90 | 621.83 Gears, ratchets, cams 47 | 621.84 Valve motions and gears 18 | 621.85 Machinery and mill gearing 14 | 621.86 Hoisting and conveying machinery 187 | 621.87 Cranes and elevators 24 | 621.88 Fastenings 37 | 621.89 Lubricants. Friction. 147 |
621.800 2 | 621.801 1 | 621.802 22 | 621.803 1 | 621.804 | 621.805 1 | 621.806 2 | 621.807 9 | 621.808 2 | 621.809 19 |
621.8090 1 | 621.8091 | 621.8092 2 | 621.8093 3 | 621.8094 2 | 621.8095 2 | 621.8096 | 621.8097 | 621.8098 | 621.8099 |
621.80900 | 621.80901 | 621.80902 | 621.80903 1 | 621.80904 | 621.80905 | 621.80906 | 621.80907 | 621.80908 | 621.80909 |
621.809030 | 621.809031 | 621.809032 | 621.809033 | 621.809034 1 | 621.809035 | 621.809036 | 621.809037 | 621.809038 | 621.809039 |
Selected Works under MDS 621.809034 (1)
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
None
Wording
| 1922 Edition |
| Modern Language |
| Emoji |