|
600 |
Technology |
| |
600 |
General Technology |
| |
608
|
Inventions & Patents |
| |
609 |
History of Inventions |
|
610 |
Health & Medicine |
| |
610 |
Medical Care |
| |
612 |
Human Body |
| |
|
612 |
General Human Body - anatomy, genetics, heredity |
| |
|
612.1 |
Circulatory System - Heart & Blood |
| |
|
612.2 |
Respiratory System - Lungs |
| |
|
612.3 |
Digestive System |
| |
|
612.6 |
Growth & Reproduction |
| |
|
612.7 |
Muscular & Skeletal System |
| |
|
612.8 |
Brain, Spinal Cord & Senses |
| |
613 |
Promotion of Health |
| |
|
613 |
General Promotion of Health |
| |
|
613.2 |
Nutrition |
| |
|
613.6 |
Safety |
| |
|
613.7 |
Physical Fitness |
| |
615 |
Poison Prevention |
| |
616 |
Emergency Services & Disease |
| |
617 |
Branches of Medicine |
| |
|
617.6 |
Dentistry |
| |
|
617.7 |
Ophthalmology |
| |
|
617.8 |
Otology & Audiology |
| |
618 |
Other Branches of Medicine |
| |
|
618.9 |
Pediatrics |
| |
|
618.92 |
Lice |
|
620 |
Engineering |
| |
620 |
General Engineering |
| |
620.8 |
Safety Engineering |
| |
621 |
Applied Physics & Energy |
| |
|
621.2 |
Water Power |
| |
|
621.3 |
Electrical Engineering |
| |
|
621.36 |
Lasers |
| |
|
621.38 |
Radio, Telephone, & Television |
| |
|
621.39 |
Computer Engineering |
| |
|
621.4 |
Wind Energy |
| |
|
621.44 |
Geothermal Energy |
| |
|
621.47 |
Solar Energy |
| |
|
621.48 |
Nuclear Power |
| |
|
621.8 |
Machine Engineering - gears, levers, pulleys, screws &
wheels |
| |
|
621.9 |
Tools |
| |
622 |
Mining & Oil Well Drilling |
| |
623 |
Nautical Engineering |
| |
|
623.8 |
Ships, Boats, Boating |
| |
|
623.89 |
Lighthouses |
| |
624 |
Civil Engineering |
| |
|
624 |
Bridges, Dams, Tunnels & Other Structures |
| |
|
624.1 |
Earth Moving Machinery |
| |
625 |
Railroads, Roads & Highways |
| |
|
625.1 |
Railroads & Trains |
| |
|
625.7 |
Roads & Highways |
| |
627 |
Water Engineering - dams, reservoirs, & power plants |
| |
628 |
Sanitary & Municipal
Engineering |
| |
|
628.1 |
Water Supply |
| |
|
628.9 |
Fire Fighting |
| |
629 |
Other Engineering |
| |
|
629.04 |
Transportation |
| |
|
629.1 |
Aviation - airplanes, helicopters, hot air balloons,
zeppelins |
| |
|
629.13 |
Kites & Model Airplanes |
| |
|
629.2 |
Cars, Motorcycles |
| |
|
629.22 |
Trucks & Trucking |
| |
|
629.4 |
Space Travel |
| |
|
629.47 |
Model Rockets |
| |
|
629.8 |
Robotics |
|
630 |
Agriculture
|
| |
631 |
Farming |
| |
633 |
Field Crops - corn, cotton, legumes, peanuts, rice,
wheat, other |
| |
634 |
Orchards - fruit, forestry |
| |
635 |
Gardening & Garden Crops - pumpkins & vegetables |
| |
636 |
Farm Animals & Pets |
| |
|
636.08 |
Pets |
| |
|
636.089 |
Veterinary Medicine |
| |
|
636.1 |
Horses |
| |
|
636.2 |
Cows |
| |
|
636.3 |
Goats & Sheep |
| |
|
636.4 |
Pigs |
| |
|
636.5 |
Farm Birds - chickens, ducks, turkeys |
| |
|
636.6 |
Pet Birds |
| |
|
636.7 |
Dogs |
| |
|
636.8 |
Cats |
| |
|
636.9 |
Pet Rodents - gerbils,
guinea pigs, hamsters, rabbits |
| |
637 |
Dairying - butter, eggs, icecream, milk |
| |
639 |
Commercial Hunting & Fishing,
& Conservation |
| |
|
639 |
Home Aquariums |
| |
|
639.2 |
Whaling |
| |
|
639.3 |
Pet Fish, Amphibians & Reptiles |
| |
|
639.9 |
Wildlife Conservation |
|
640
|
Home Economics & Family Living |
| |
641 |
Food & Drink |
| |
|
641.3 |
About Food - candy & chewing gum, chocolate, popcorn,
rice |
| |
|
641.5 |
Cooking - recipes, cookbooks |
| |
|
641.8 |
Bread |
| |
649 |
Parenting |
|
650 |
Management
|
| |
652 |
Codes & Secret Writing |
|
660 |
Chemical Engineering
|
|
670 |
Manufacturing
|
| |
674 |
Wood Products |
| |
676 |
Paper, Papermaking |
| |
677 |
Textiles |
|
680 |
Specific Manufacturing |
| |
681 |
Precision instruments -
eyeglasses, instruments for measuring time, telescopes,
thermometers |
| |
683 |
Household Appliances |
| |
685 |
Leather & Fur Goods |
| |
686 |
Printing & Bookbinding |
| |
688 |
Toys |
|
690 |
Building & Buildings |
| |
694 |
Carpentry |
| |
696 |
Plumbing |
