
Classification of KS is designed to help users better recognize the sectors of KS. For example, in case of developing KS in the sector of general (A), title of KS named to KS A.
| Sector | Chapter | |
|---|---|---|
| General | (A) | factory management/sensory analysis/quality management/... |
| Machine | (B) | machine tool/physical apparatus/agricultural machine/weights and measures/... |
| Electrical | (C) | wire, cable, electrical circuit/communication, electronic equipment/ vacuum tube, electric bulb/... |
| Metal | (D) | molding/steel material/iron casting/... |
| Mine | (E) | mining/coal & ore dressing/... |
| Civil Engineering | (F) | materials/construction/... |
| Necessities | (G) | stationery/household good/furniture/exercise item/... |
| Grocery | (H) | foodstuff |
| Fiber | (K) | clothing/cotton/textile/knit/... |
| Ceramic | (L) | pottery/glass/cement/clay/... |
| Chemistry | (M) | industrial chemicals/mineral oil/plastic/dyestuff & paint/rubber/paper, pulp/quality of water/biotechnology/... |
| Medical | (P) | medical devices/... |
| Transportation machine | (R) | electrical apparatus/bicycle/repair appliance/... |
| Shipbuilding | (V) | ships and maritime technology/maritime navigational instrument/... |
| Flight | (W) | mechanical parts/instruments/airframe/engine/... |
| Information industry | (X) | terminology of information technology/coding, security/software, computer graphics/data network/data storage/... |

KATS reviews KS every 5 years for confirmation, revision or withdrawal. If it considered to be needed, however, KATS may take appropriate actions regarding KS within 5-year period to ensure harmonization with international standards or facilitate the development of new technologies.