Sentence examples for this was once done from inspiring English sources

This was once done using video cameras, with footage examined by operators to determine where best to place new products or displays.

It's not like anyone ever used the site anymore to browse the web – can you really believe that this is how it was once done?

This was once again done on post-it notes.

This was once again done using the DeCypher HMM search, and identified model organism genes with the same domains as the ING proteins.

This is once again done to simplify the explanations.

This is only done once during the first time the two devices connect.

This was done once a week for two hours.

Is this because this was done only once or twice (which would explain why there is not deviation provided)?

This is done once the MN information has already been recorded.

Once this was done, they began modifying it.

Once this was done, the sections of skin were carefully attached.