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If you manipulate the things you make, you are in operation of said things.
This can not only refer to the operation of devices and machinery, but also the manipulation of various elements, such as markets, stock prices, and more, with the intention of furthering one's own interests.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
他人にスマフォの遠隔操作を可能にさせるバックドアを発見しました。
We discovered a backdoor that enables someone to remotely operate your smartphone.
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