2. And then?
The ten classes are divided further into ten areas like this.
Let’s look at the 600 class!

3. 600 Technology
610 Medicine and Health
620 Engineering and Applied Sciences
630 Agriculture and related technologies
640 Home and family management
650 Management and auxiliary services
660 Chemical Engineering
670 Manufacturing
680 Manufacture of products for specific uses
690 Buildings

4. 636 Animal Husbandry
Class here works on species of domestic mammals. The numbers on the right side of the decimal point are used to
divide a specific subject into even more specific parts of the subject.
636.1 Horses 636.2 Cattle 636.3 Sheep 636.4 Swine
636.5 Poultry 636.6 Birds other 636.7 Dogs 636.8 Cats
than poultry

5. 636.7
Dogs

6. 636.7 636.72
Dogs Non sporting dogs

7. 636.7 636.72 636.728
Dogs Non sporting dogs Poodles