Heritage assets are generally expected to be preserved indefinitely.

If treated early and regularly, pieces can be preserved indefinitely.

For before your head has time to spoil you can have it canned, and in that way it may be preserved indefinitely.

A violin like the Seven could be preserved indefinitely with careful conservatorship, but people began to decline almost from the moment of their fullest development.

Theoretically, a person's body could be preserved indefinitely.

An object in stasis is invulnerable to anything occurring outside the field, as well as being preserved indefinitely.

If treated early enough, pieces can be preserved indefinitely.

Like all board papers and reports, they have been preserved indefinitely in the corporate archives.

Of the 61 scientists in 22 countries who responded, only five thought the virus stocks should be preserved indefinitely.

Once written, the name must be preserved indefinitely.