The phrase "a copy was made" is correct and usable in written English.
It can be used to indicate that a duplicate of something has been created, often in contexts involving documents, files, or records.
Example: "After the meeting, a copy was made of the minutes for distribution to all attendees."
Alternatives: "a duplicate was created" or "a reproduction was produced."
A copy was made public today.
A copy was made available to The New York Times by a Congressional official who received one.
Though the document was not released publicly, a copy was made available to The New York Times.
The official unveiling is set for Wednesday in Tel Aviv, but a copy was made available to The New York Times.
A copy was made available today by Blank Rome, a law firm representing Lincoln University, the nation's oldest historically black college, to which Barnes gave the right to nominate trustees of his foundation.
[Editors' note, Page A2.] Mr. Fitzgerald filed the corrective letter on Wednesday; a copy was made available to some news organizations on Tuesday night, and its contents were described Wednesday in The Washington Post.
Every time an entry is made into that database, a copy is made of that record.
The museum would see to it that a copy is made for the park.
The Principal Investigator and the Designated Observer will then be notified that the data are available on our ftp site; at the same time a copy is made on physical medium that is mailed to the PI only.
The Principal Investigator and the Co-Investigator/Observer will then be notified that the data are available through ChaSeR; at the same time a copy is made on physical medium, if requested, that is mailed to the PI only.
Figure 10a (left) shows the parental motif from which a copy is made (15 motifs are shown going down the column), 10b shows a typical offspring produced by Mechanism A without any error correction, and 10c shows a typical offspring produced by Mechanism B with EC1.
