MDS621.9

Sanallinen kuvaus: TechnologyEngineering and allied operationsApplied physicsMachine-tools

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
621.90
202
621.91
Planing Machines
26
621.92
Grinding and filing
29
621.93
Cutting and sawing
168
621.94
Turning and Milling
50
621.95
Perforating Machinery. Drills
14
621.96
Punching and shearing
1
621.97
Hammers. Nail and Rivet Machinery
12
621.98
Pressing, impressing, molding equipment
107
621.99
Fastenings. -- Bolts, rivets, screws
15

Selected Works under MDS 621.9 (1,300)

Tähän liittyviä avainsanoja

"Far Friends"

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

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Sanallinen kuvaus

1922 laitos
ÄLÄ kopioi tekijänoikeuksien suojaamaa aineistoa. Täällä vuoden 1922 laitos, joka on kirjoitettu hullunkurisella foneettisella englannin kielellä. Käytä vakiintunutta oikeinkirjoitusta.
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.