Metallic element's obstacle? (12 letters) — Crossword Helper

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The Clue

Metallic element's obstacle? (12 letter answer)

The Answer

ALUMINUMFOIL

Tags

aluminumfoil element food metallic obstacle preserver wrap

Notes

The answer ALUMINUMFOIL is so rare that it appears less than once every 2500 puzzles.

Related Clues

Food preserver?
It's a wrap