Classification is one of the ways in which a paragraph or extended piece of writing is developed. In classifying, the writer groups people, things or ideas according to some principle order; in this way he both classifies and explains them.

Classification takes one of the following terms:




- We can divide robots into four basic types according to their axes of motion.

- We can classify robots into four basic types depending on

- Robots fall into four basic types "

- Robots can be divided/classified into four "basic types

Note that some of the above categorizations can use the passive voice or the active voice in their construction:

fall; divide; be divided; classify; be classified.

(The Division of English for Science and Technology,

Chulalongkorn University Language Institute)




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