Nippon Decimal Classification (NDC) 10th ed. -3rd Categories-

[Updated: 2016-Sep-29]
500 Technology. Engineering
501 Basic engineering
502 History of technology
503 Reference books
504 Essays and lectures
505 Serial publications
506 Organizations
507 Study and teaching
508 Collected works. Collections
509 Industries. Manufacturing industry
510 Construction. Civil engineering
511 Mechanics and materials
512 Surveying
513 Designs and executions
514 Engineering of roads and highways
515 Bridge engineering
516 Railroad engineering
517 Hydraulic engineering
518 Sanitary and municipal engineering
519 Environmental engineering. Pollution
520 Architecture. Building
521 Japanese architecture
522 Oriental architecture
523 Occidental architecture. Others
524 Construction
525 Planning. Design. Practices
526 Specific buildings
527 Residential buildings
528 Building utilities
529 Architectural design and decoration
530 Mechanical engineering
531 Mechanics, materials and design
532 Machine-shop practice. Machine tools
533 Heat engines
534 Hydraulic and pneumatic machinery
535 Precision and optical instruments
536 Transportation engineering
537 Automobile engineering
538 Aerouautical engineering. Space engineering
539 Nuclear engineering
540 Electrical engineering
541 Electric circuits, measurements and materials
542 Electrical machinery
543 Generation of electric power
544 Transmission. Transformation. Distribution
545 Electric lighting and heating
546 Electric railroads
547 Communication engineering
548 Information engineering
549 Electronic engineering
550 Maritime engineering
551 Theories of shipbuilding
552 Hull construction. Materials of hull
553 Equipment and outfit of ships
554 Marine engineering
555 Refitment of ships. Maintenance
556 Specific ships and boats
557 Navigation
558 Sea development
559 Weapons. Military engineering
560 Metal and mining engineering
561 Exploitation. Ore dressing
562 Mining of specific metals
563 Metallurgy and alloys. Metallography
564 Ferrous metals
565 Nonferrous metals
566 Metallurgical technology
567 Coal mining
568 Petroleum mining
569 Non-metalic mining
570 Chemical technology
571 Chemical engineering
572 Industrial electrochemistry
573 Ceramic technology
574 Industrial chemicals
575 Fuels and explosives
576 Oils and fats
577 Dyes
578 Polymers. Plastics. Cellulose
579 Other chemical technologies
580 Manufactures
581 Metal goods
582 Business machines. Household appliances. Musical instrument
583 Woodworking
584 Leather and fur goods
585 Pulp and paper industries
586 Textile industry
587 Dyeing
588 Food technology
589 Other miscellaneous manufactures
590 Domestic arts and sciences
591 Domestic economy and management
592 Sciences and technology in household
593 Clothing. Sewing
594 Handicrafts
595 Beauty culture
596 Food. Cookery
597 Household utilities
598 Domestic health
599 Care of children
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