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[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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