Introduction of secure, healthy, source of gas

This crossword clue appeared in total 1 crossword puzzles. You can see full list - see below full history. It was last seen in QC 1295 crossword. Let's try to find the right answer together. We found just one right answer. You must be already curious to know the answer - this word contains 2 vowels.

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Full history of this clue in crossword puzzles:

• Crossword QC 1295 in 2019