The purpose of odorize-deodorize is target, and because it contains the concept of source, odorize and deodorize are primary actions of odorize-deodorize.
The purpose of odorize-deodorize is target, and because it contains the concept of source, odorize and deodorize are primary actions of odorize-deodorize.
The purpose of q1n is q1o, and because it contains the concept of q1s, q1e and q1r are primary actions of q1n.