In Tobira Chapter 13 Grammar; one of the examples is
彼は20代で会社を作り、30代で、大金持ちになった。

What is 作り? What is the form of this verb? I cannot find anything on the web.
It is a infinitive form of 作る? How can you use infinite form in a sentence?
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2023-02-14T00:25:46.103
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2023-02-14T01:10:04.950
2023-02-14T01:10:04.950
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question
verbs
Please explain the meaning of 作り