Meanings of remain uncontaminated in English

Both are protected by plastic to ensure they remain uncontaminated.

But Irish and Britain cinema will remain uncontaminated by Mr Malick's film for a while yet.

Unlike most planets, Grayson's orbital infrastructure contains a high percentage of orbital farms where the livestock and soil can remain uncontaminated.

As a result, the illusion that the wealthy Gulf could remain uncontaminated by the wider conflicts in the Middle East has been shattered.

Transport was also being orchestrated to invade the cities and counties which remained uncontaminated.