MDS621

Wording: TechnologyEngineering and allied operationsApplied physics

Dewmoji: πŸ’‘πŸ”©πŸ­

0
Information
216,948
ℹ️
1
Philosophy and Psychology
229,419
πŸ’­
2
Religions
562,779
πŸ™
3
Social sciences
1,169,921
πŸ‘«
4
Language
177,109
πŸ’¬
5
Natural sciences and mathematics
380,441
πŸ”¬
6
Technology
844,132
πŸ’‘
7
The arts
857,504
🎨
8
Literature
1,201,263
πŸ“š
9
History and Geography
703,933
πŸ—ΊοΈ
60
General Technology
8,586
πŸ’‘
61
Medicine and health
277,111
πŸ’‰
62
Engineering and allied operations
140,868
πŸ”©
63
Agriculture & related technologies
78,723
🌱
64
Home and family management
152,587
🏠
65
Management and auxiliary services
131,640
πŸ‘”
66
Chemical Technology
17,794
πŸš€
67
Manufacturing
7,692
πŸ“¦
68
Manufacture of products for specific uses
18,201
πŸ”¨
69
Building
10,930
πŸ‘·
620
Engineering
19,566
πŸ”©
621
Applied physics
42,616
🏭
622
Mining Engineering and Mines and Mineral Resources
3,424
πŸ•³
623
Military Engineering and Marine Engineering
13,937
βš“
624
Civil Engineering
7,390
πŸŒ‰
625
Road and Railroad
5,150
πŸ›€
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

Selected Works under MDS 621 (42,616)

Related Tags

19th century (180) Africa (318) Alexander Graham Bell (134) amateur radio (205) American history (221) Apple (315) audio (128) autobiography (172) biographies (159) biography (4,384) business (271) computer (181) computer science (207) computers (521) construction (322) DIY (248) ebook (180) EE (111) electrical (200) electrical engineering (389) electricity (815) electronics (2,519) energy (256) engineering (1,089) fiction (213) ham radio (201) history (1,700) history of technology (109) home improvement (221) home repair (112) how-to (190) informational (115) inventions (253) inventors (880) Kindle (172) machines (326) Magic School Bus (131) Malawi (204) math (203) memoir (201) music (225) non-fiction (3,775) physics (613) picture book (343) radio (377) read (115) realistic fiction (126) reference (611) science (3,388) signal processing (129) simple machines (205) Steve Jobs (198) technology (1,079) Tesla (153) textbook (388) Thomas Edison (317) to-read (2,091) tools (623) transportation (297) woodworking (191)

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

MDS
Schedule
005.43
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programsSystems programs
005.13
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityProgrammingLanguages
537
Natural sciences and mathematicsPhysicsElectricity
005.1
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityProgramming
005.4
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programs
004.1
InformationComputer Science; Knowledge and SystemsComputer scienceBy Computer Type
004.16
InformationComputer Science; Knowledge and SystemsComputer scienceBy Computer TypePersonal Computers
531
Natural sciences and mathematicsPhysicsMechanics
005.44
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programsOperating systems for specific types of computers
004.6
InformationComputer Science; Knowledge and SystemsComputer scienceNetworking
001.64
InformationComputer Science; Knowledge and SystemsKnowledge[formerly : Data processing][formerly : Electronic]
001.6
InformationComputer Science; Knowledge and SystemsKnowledge[formerly : Data processing]
530.1
Natural sciences and mathematicsPhysicsPhysicsTheoretical Physics
005.8
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityComputer Security
004
InformationComputer Science; Knowledge and SystemsComputer science
005
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, security
530
Natural sciences and mathematicsPhysicsPhysics
53X
Natural sciences and mathematicsPhysics
00X
InformationComputer Science; Knowledge and Systems
515
Natural sciences and mathematicsMathematicsAnalysis

Wording

1922 Edition
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System or on the 1922 edition of Dewey. Language and concepts may be modernized. Do not use an in-copyright source.
Emoji
A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.