MDS 623.86

Wording: Technology Engineering Military and nautical engineering Naval architecture; Shipbuilding Sails & Rigging

Dewmoji: 💡🔩⚓🚢?

0 Computer science, information & general works 252,013 ℹ️	1 Philosophy and Psychology 270,129 🧠	2 Religion 681,242 🙏	3 Social sciences 1,328,382 👫	4 Language 209,883 💬	5 Natural sciences & mathematics 431,918 🔬	6 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 Construction of buildings 12,238 👷
620 Engineering and allied operations 21,480 🔩	621 Applied physics 47,082 🏭	622 Mining and related operations 3,895 🕳	623 Military and nautical engineering 15,890 ⚓	624 Civil engineering 8,105 🌉	625 Engineering of railroads and roads 6,655 🛤	626 [Formerly: Canal Engineering] 83	627 Hydraulic engineering 1,873 🌊	628 Environmental engineering and sanitary engineering 7,319 🚽	629 Other branches of engineering 45,597 🌿
623.0 188	623.1 289	623.2 19	623.3 60	623.4 Technology of Weapons and Armaments 2,391	623.5 Ballistics and Gunnery 73 🏹	623.6 Transportation 35	623.7 Military Aviation; Military Wheeled & Tracked Vehicles; Related Technologies 4,607 🪖	623.8 Naval architecture; Shipbuilding 7,785 🚢	623.9 19
623.80 94	623.81 General; Design 214	623.82 History of Naval Architecture 3,123	623.83 Shipbuilders & Dockyards 49	623.84 Boatbuilding 39	623.85 Boating 83	623.86 Sails & Rigging 127	623.87 Inboard & Outboard Motors 224	623.88 Seamanship 943	623.89 Navigation 1,149
623.860 1	623.861	623.862 65	623.863 18	623.864	623.865 5	623.866	623.867 1	623.868	623.869