Embedded Files
600 Technology T3
601 Philosophy & theory T3 – TF5 ; T3 – TT
602 Miscellany
603 Dictionaries & encyclopedias T3 – T4b or T4a
604 Special topics
605 Serial publications T3 – T4h
606 Organizations PI4 (T3)
607 Education, research & related topics T3 – PE
608 Inventions & patents TI ; PI3 \ TI
609 Historical, geographic & persons treatment T3 – TF1 ; T3 – T7g ; T3 ^ I
610 Medicine & health TF (→H); H [as in 306.461]
611 Human anatomy, cytology & histology TF (BO (G) or BL →H)
612 Human physiology TF (BS →H)
613 Personal health & safety →ga HI
614 Incidence & prevention of disease →ga HD
615 Pharmacology & therapeutics TF (M → H)
616 Diseases HD
617 Surgery & related medical specialties →mb → H
618 Gynecology, obstetrics, pediatrics & geriatrics TF (→H) ^ SG1 →ar; TF (→H) ^ →ar; TF (→H) \ SA5; TF (→H) \ SA9;
619 [Unassigned]
620 Engineering & allied operations TF (T3)
621 Applied physics TF8b →
622 Mining & related operations EO9711
623 Military & nautical engineering TF (T3 \ PI5a); TF (T3 \ N3)
624 Civil engineering TF (T3 \ NB)
625 Engineering of railroads & roads TF (T3 \ NBd +a)
626 [Unassigned]
627 Hydraulic engineering TF (T3 \ N3→gm)
628 Sanitary & municipal engineering TF (T3 \ NB5g (→aw))
629 Other branches of engineering Specify
630 Agriculture & related technologies T3 \ EO91 [Note: DDC switches here from engineering to the techniques themselves. We should be able to move seamlessly between the two.]
631 Techniques, equipment & materials
632 Plant injuries, diseases & pests Fxxx – HD
633 Field & plantation crops EO95022 [cereals and pulses]
634 Orchards, fruits & forestry EO9101615
635 Garden crops (Horticulture) EO97011 [it seems to make sense here to refer to the service of horticulture rather than the variety of plants covered by this]
636 Animal husbandry FK5 \ EO9101 [Our general strategy is to use compounds with the goods being produced; there should be a link to the service of husbandry: animal husbandry has a precise entry as EO970121604 within a more general class of EO97012 Livestock services]
637 Processing dairy & related products →gt (FK5 →ab)
638 Insect culture EO9101019
639 Hunting, fishing & conservation → →gb FK5, EO9101017 [with link to EO9701015] ; Q(N)↑
640 Home & family management NB2 ←rs
641 Food & drink EO95 [food, beverage, and tobacco.]
642 Meals & table service →ia (→rp EO98515)
643 Housing & household equipment NB2; EO9 \ NB2
644 Household utilities NB2 u
645 Household furnishings NB2a
646 Sewing, clothing & personal living →gc EO9531
647 Management of public households NB2 (EI1h) ←rs
648 Housekeeping → QQ2 NB2 [cause clean house]
649 Child rearing & home care of persons →rs SA5 or SA9 or SD
650 Management & auxiliary services ←rs SO3
651 Office services EO98
652 Processes of written communication →rt T4 – PI3
653 Shorthand T4 (GA6b (QT1)) [fast writing text?]
654 [Unassigned]
655 [Unassigned]
656 [Unassigned]
657 Accounting SO1a
658 General management SO3
659 Advertising & public relations EI7b
660 Chemical engineering TF (T3 \ M)
661 Industrial chemicals M ^ →gc [chemicals associated with manufacture][Note that chemicals appear in many places in UNSPC]
662 Explosives, fuels & related products T3 (→ →ma QB1)
663 Beverage technology T3 \ EO9502
664 Food technology T3 \ EO95
665 Industrial oils, fats, waxes & gases EO91512
666 Ceramic & allied technologies T3 \ NMc
667 Cleaning, color & coating technologies T3 → QQ2 ; T3 → N7; T3 → N5y
668 Technology of other organic products T3 \ EO9yyy Specify
669 Metallurgy TF (T3 →gt MTM)
670 Manufacturing →gc EO9
671 Metalworking & primary metal products T3 →gt MTM; MTM (ME)
672 Iron, steel & other iron alloys MEFe ; →gt MEFe
673 Nonferrous metals MTM (MEFe)
674 Lumber processing, wood products & cork T3 \ EO9111216 →gc
675 Leather & fur processing T3 \ EO91116 →gc
676 Pulp & paper technology T3 \ EO9731116
677 Textiles EO97314 [The reference here is to the product rather than the technology.]
678 Elastomers & elastomer products MY3 N3i EO9
679 Other products of specific materials T3 \ EO9yyy Specify.
680 Manufacture for specific uses →gc EO9 \ Specify
681 Precision instruments & other devices EO9731716
682 Small forge work (Blacksmithing) TF (T3 →gt MTM) (QT2) [historic metallurgy?]
683 Hardware & household appliances EO9 (→ge) > NB2
684 Furnishings & home workshops NB2a [as in 645]; N (→gc EO9) > NB2
685 Leather, fur goods & related products EO91116
686 Printing & related activities EO9821215
687 Clothing & accessories EO9531
688 Other final products & packaging EO9yyy Specify
689 [Unassigned]
690 Buildings NB1
691 Building materials NM \ →gc NB1
692 Auxiliary construction practices T3 \ →gc NB1
693 Specific materials & purposes NMxxx \ →gc NB1
694 Wood construction & carpentry T3 \ →gc NB1 (NMw)
695 Roof covering NB1v
696 Utilities NB1u [similar to 644]
697 Heating, ventilating & air-conditioning NB1c,d,e
698 Detail finishing →gc (QA2) NB1
699 [Unassigned]
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