Improve Escape valve meaning in Urdu

Is there any meaning of the word escape valve that needs an edit? Please click that meaning to rewrite it.

فرار والو

Is there any meaning of the word escape valve that needs to be removed from the list? Please click that meaning to mark it for deletion.

فرار والو

Do you want to add a new meaning, definition, and a sentence of the word escape valve? Please feel free to add.