King James Version
And this word, Yet once more, signifieth the removing of those things that are shaken, as of things that are made, that those things which cannot be shaken may remain.English Standard Version
This phrase, "Yet once more," indicates the removal of things that are shaken--that is, things that have been made--in order that the things that cannot be shaken may remain.New International Version
The words "once more" indicate the removing of what can be shaken--that is, created things--so that what cannot be shaken may remain.