All three are concerned with the dangers of wandering out of town and into the unknown. (vodzilla.co)
As sulfur participates in the battery's chemical reactions, the polymer prevents the negatively charged sulfur compounds from wandering out. (newscenter.lbl.gov)
The door should have a self closing and locking mechanism that opens from the inside so that small children may not wander out. (childproofingtips.com)